19955142480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{3823}}^1$

素因数の和:4098

約数の個数: 320

約数和(自身を含む): 76475105280

約数和(自身を除く): 56519962800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 239, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 478, 520, 546, 560, 624, 717, 728, 780, 840, 910, 956, 1040, 1092, 1195, 1365, 1434, 1456, 1560, 1673, 1680, 1820, 1912, 2184, 2390, 2730, 2868, 3107, 3120, 3346, 3585, 3640, 3823, 3824, 4368, 4780, 5019, 5460, 5736, 6214, 6692, 7170, 7280, 7646, 8365, 9321, 9560, 10038, 10920, 11469, 11472, 12428, 13384, 14340, 15292, 15535, 16730, 18642, 19115, 19120, 20076, 21749, 21840, 22938, 24856, 25095, 26761, 26768, 28680, 30584, 31070, 33460, 37284, 38230, 40152, 43498, 45876, 46605, 49699, 49712, 50190, 53522, 57345, 57360, 61168, 62140, 65247, 66920, 74568, 76460, 80283, 80304, 86996, 91752, 93210, 99398, 100380, 107044, 108745, 114690, 124280, 130494, 133805, 133840, 149097, 149136, 152920, 160566, 173992, 183504, 186420, 198796, 200760, 214088, 217490, 229380, 248495, 248560, 260988, 267610, 298194, 305840, 321132, 326235, 347893, 347984, 372840, 397592, 401415, 401520, 428176, 434980, 458760, 496990, 521976, 535220, 596388, 642264, 652470, 695786, 745485, 745680, 795184, 802830, 869960, 913697, 917520, 993980, 1043679, 1043952, 1070440, 1192776, 1284528, 1304940, 1391572, 1490970, 1605660, 1739465, 1739920, 1827394, 1987960, 2087358, 2140880, 2385552, 2609880, 2741091, 2783144, 2981940, 3211320, 3478930, 3654788, 3975920, 4174716, 4568485, 5218395, 5219760, 5482182, 5566288, 5963880, 6395879, 6422640, 6957860, 7309576, 8349432, 9136970, 10436790, 10964364, 11878061, 11927760, 12791758, 13705455, 13915720, 14619152, 16698864, 18273940, 19187637, 20873580, 21928728, 23756122, 25583516, 27410910, 27831440, 31979395, 35634183, 36547880, 38375274, 41747160, 43857456, 47512244, 51167032, 54821820, 59390305, 63958790, 71268366, 73095760, 76750548, 83146427, 83494320, 95024488, 95938185, 102334064, 109643640, 118780610, 127917580, 142536732, 153501096, 166292854, 178170915, 190048976, 191876370, 219287280, 237561220, 249439281, 255835160, 285073464, 307002192, 332585708, 356341830, 383752740, 415732135, 475122440, 498878562, 511670320, 570146928, 665171416, 712683660, 767505480, 831464270, 950244880, 997757124, 1247196405, 1330342832, 1425367320, 1535010960, 1662928540, 1995514248, 2494392810, 2850734640, 3325857080, 3991028496, 4988785620, 6651714160, 9977571240, 19955142480]

約数ペア:

[(1, 19955142480), (2, 9977571240), (3, 6651714160), (4, 4988785620), (5, 3991028496), (6, 3325857080), (7, 2850734640), (8, 2494392810), (10, 1995514248), (12, 1662928540), (13, 1535010960), (14, 1425367320), (15, 1330342832), (16, 1247196405), (20, 997757124), (21, 950244880), (24, 831464270), (26, 767505480), (28, 712683660), (30, 665171416), (35, 570146928), (39, 511670320), (40, 498878562), (42, 475122440), (48, 415732135), (52, 383752740), (56, 356341830), (60, 332585708), (65, 307002192), (70, 285073464), (78, 255835160), (80, 249439281), (84, 237561220), (91, 219287280), (104, 191876370), (105, 190048976), (112, 178170915), (120, 166292854), (130, 153501096), (140, 142536732), (156, 127917580), (168, 118780610), (182, 109643640), (195, 102334064), (208, 95938185), (210, 95024488), (239, 83494320), (240, 83146427), (260, 76750548), (273, 73095760), (280, 71268366), (312, 63958790), (336, 59390305), (364, 54821820), (390, 51167032), (420, 47512244), (455, 43857456), (478, 41747160), (520, 38375274), (546, 36547880), (560, 35634183), (624, 31979395), (717, 27831440), (728, 27410910), (780, 25583516), (840, 23756122), (910, 21928728), (956, 20873580), (1040, 19187637), (1092, 18273940), (1195, 16698864), (1365, 14619152), (1434, 13915720), (1456, 13705455), (1560, 12791758), (1673, 11927760), (1680, 11878061), (1820, 10964364), (1912, 10436790), (2184, 9136970), (2390, 8349432), (2730, 7309576), (2868, 6957860), (3107, 6422640), (3120, 6395879), (3346, 5963880), (3585, 5566288), (3640, 5482182), (3823, 5219760), (3824, 5218395), (4368, 4568485), (4780, 4174716), (5019, 3975920), (5460, 3654788), (5736, 3478930), (6214, 3211320), (6692, 2981940), (7170, 2783144), (7280, 2741091), (7646, 2609880), (8365, 2385552), (9321, 2140880), (9560, 2087358), (10038, 1987960), (10920, 1827394), (11469, 1739920), (11472, 1739465), (12428, 1605660), (13384, 1490970), (14340, 1391572), (15292, 1304940), (15535, 1284528), (16730, 1192776), (18642, 1070440), (19115, 1043952), (19120, 1043679), (20076, 993980), (21749, 917520), (21840, 913697), (22938, 869960), (24856, 802830), (25095, 795184), (26761, 745680), (26768, 745485), (28680, 695786), (30584, 652470), (31070, 642264), (33460, 596388), (37284, 535220), (38230, 521976), (40152, 496990), (43498, 458760), (45876, 434980), (46605, 428176), (49699, 401520), (49712, 401415), (50190, 397592), (53522, 372840), (57345, 347984), (57360, 347893), (61168, 326235), (62140, 321132), (65247, 305840), (66920, 298194), (74568, 267610), (76460, 260988), (80283, 248560), (80304, 248495), (86996, 229380), (91752, 217490), (93210, 214088), (99398, 200760), (100380, 198796), (107044, 186420), (108745, 183504), (114690, 173992), (124280, 160566), (130494, 152920), (133805, 149136), (133840, 149097)]