20139573160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{193}}^1$

素因数の和:492

約数の個数: 256

約数和(自身を含む): 54911001600

約数和(自身を除く): 34771428440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 71, 116, 140, 142, 145, 181, 193, 203, 232, 280, 284, 290, 355, 362, 386, 406, 497, 568, 580, 710, 724, 772, 812, 905, 965, 994, 1015, 1160, 1267, 1351, 1420, 1448, 1544, 1624, 1810, 1930, 1988, 2030, 2059, 2485, 2534, 2702, 2840, 3620, 3860, 3976, 4060, 4118, 4970, 5068, 5249, 5404, 5597, 6335, 6755, 7240, 7720, 8120, 8236, 9940, 10136, 10295, 10498, 10808, 11194, 12670, 12851, 13510, 13703, 14413, 16472, 19880, 20590, 20996, 22388, 25340, 25702, 26245, 27020, 27406, 27985, 28826, 34933, 36743, 39179, 41180, 41992, 44776, 50680, 51404, 52490, 54040, 54812, 55970, 57652, 64255, 68515, 69866, 72065, 73486, 78358, 82360, 89957, 95921, 102808, 104980, 109624, 111940, 115304, 128510, 137030, 139732, 144130, 146972, 156716, 174665, 179914, 183715, 191842, 195895, 209960, 223880, 244531, 257020, 274060, 279464, 288260, 293944, 313432, 349330, 359828, 367430, 372679, 383684, 391790, 397387, 449785, 479605, 489062, 514040, 548120, 576520, 698660, 719656, 734860, 745358, 767368, 783580, 794774, 899570, 959210, 978124, 1013057, 1222655, 1397320, 1469720, 1490716, 1567160, 1589548, 1799140, 1863395, 1918420, 1956248, 1986935, 2026114, 2445310, 2480243, 2608753, 2781709, 2981432, 3179096, 3598280, 3726790, 3836840, 3973870, 4052228, 4890620, 4960486, 5065285, 5217506, 5563418, 7091399, 7453580, 7947740, 8104456, 9781240, 9920972, 10130570, 10435012, 11126836, 12401215, 13043765, 13908545, 14182798, 14907160, 15895480, 17361701, 19841944, 20261140, 20870024, 22253672, 24802430, 26087530, 27817090, 28365596, 34723402, 35456995, 40522280, 49604860, 52175060, 55634180, 56731192, 69446804, 70913990, 71927047, 86808505, 99209720, 104350120, 111268360, 138893608, 141827980, 143854094, 173617010, 283655960, 287708188, 347234020, 359635235, 503489329, 575416376, 694468040, 719270470, 1006978658, 1438540940, 2013957316, 2517446645, 2877081880, 4027914632, 5034893290, 10069786580, 20139573160]

約数ペア:

[(1, 20139573160), (2, 10069786580), (4, 5034893290), (5, 4027914632), (7, 2877081880), (8, 2517446645), (10, 2013957316), (14, 1438540940), (20, 1006978658), (28, 719270470), (29, 694468040), (35, 575416376), (40, 503489329), (56, 359635235), (58, 347234020), (70, 287708188), (71, 283655960), (116, 173617010), (140, 143854094), (142, 141827980), (145, 138893608), (181, 111268360), (193, 104350120), (203, 99209720), (232, 86808505), (280, 71927047), (284, 70913990), (290, 69446804), (355, 56731192), (362, 55634180), (386, 52175060), (406, 49604860), (497, 40522280), (568, 35456995), (580, 34723402), (710, 28365596), (724, 27817090), (772, 26087530), (812, 24802430), (905, 22253672), (965, 20870024), (994, 20261140), (1015, 19841944), (1160, 17361701), (1267, 15895480), (1351, 14907160), (1420, 14182798), (1448, 13908545), (1544, 13043765), (1624, 12401215), (1810, 11126836), (1930, 10435012), (1988, 10130570), (2030, 9920972), (2059, 9781240), (2485, 8104456), (2534, 7947740), (2702, 7453580), (2840, 7091399), (3620, 5563418), (3860, 5217506), (3976, 5065285), (4060, 4960486), (4118, 4890620), (4970, 4052228), (5068, 3973870), (5249, 3836840), (5404, 3726790), (5597, 3598280), (6335, 3179096), (6755, 2981432), (7240, 2781709), (7720, 2608753), (8120, 2480243), (8236, 2445310), (9940, 2026114), (10136, 1986935), (10295, 1956248), (10498, 1918420), (10808, 1863395), (11194, 1799140), (12670, 1589548), (12851, 1567160), (13510, 1490716), (13703, 1469720), (14413, 1397320), (16472, 1222655), (19880, 1013057), (20590, 978124), (20996, 959210), (22388, 899570), (25340, 794774), (25702, 783580), (26245, 767368), (27020, 745358), (27406, 734860), (27985, 719656), (28826, 698660), (34933, 576520), (36743, 548120), (39179, 514040), (41180, 489062), (41992, 479605), (44776, 449785), (50680, 397387), (51404, 391790), (52490, 383684), (54040, 372679), (54812, 367430), (55970, 359828), (57652, 349330), (64255, 313432), (68515, 293944), (69866, 288260), (72065, 279464), (73486, 274060), (78358, 257020), (82360, 244531), (89957, 223880), (95921, 209960), (102808, 195895), (104980, 191842), (109624, 183715), (111940, 179914), (115304, 174665), (128510, 156716), (137030, 146972), (139732, 144130)]