255768240

素因数分解:

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

素因数の和:289

約数の個数: 320

約数和(自身を含む): 999936000

約数和(自身を除く): 744167760

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, 49, 52, 56, 60, 65, 70, 78, 80, 84, 91, 98, 104, 105, 112, 120, 130, 140, 147, 156, 168, 182, 195, 196, 208, 210, 239, 240, 245, 260, 273, 280, 294, 312, 336, 343, 364, 390, 392, 420, 455, 478, 490, 520, 546, 560, 588, 624, 637, 686, 717, 728, 735, 780, 784, 840, 910, 956, 980, 1029, 1040, 1092, 1176, 1195, 1274, 1365, 1372, 1434, 1456, 1470, 1560, 1673, 1680, 1715, 1820, 1911, 1912, 1960, 2058, 2184, 2352, 2390, 2548, 2730, 2744, 2868, 2940, 3107, 3120, 3185, 3346, 3430, 3585, 3640, 3822, 3824, 3920, 4116, 4368, 4459, 4780, 5019, 5096, 5145, 5460, 5488, 5736, 5880, 6214, 6370, 6692, 6860, 7170, 7280, 7644, 8232, 8365, 8918, 9321, 9555, 9560, 10038, 10192, 10290, 10920, 11472, 11711, 11760, 12428, 12740, 13377, 13384, 13720, 14340, 15288, 15535, 16464, 16730, 17836, 18642, 19110, 19120, 20076, 20580, 21749, 21840, 22295, 23422, 24856, 25095, 25480, 26754, 26768, 27440, 28680, 30576, 31070, 33460, 35133, 35672, 37284, 38220, 40152, 41160, 43498, 44590, 46605, 46844, 49712, 50190, 50960, 53508, 57360, 58555, 62140, 65247, 66885, 66920, 70266, 71344, 74568, 76440, 80304, 81977, 82320, 86996, 89180, 93210, 93688, 100380, 107016, 108745, 117110, 124280, 130494, 133770, 133840, 140532, 149136, 152243, 152880, 163954, 173992, 175665, 178360, 186420, 187376, 200760, 214032, 217490, 234220, 245931, 248560, 260988, 267540, 281064, 304486, 326235, 327908, 347984, 351330, 356720, 372840, 401520, 409885, 434980, 456729, 468440, 491862, 521976, 535080, 562128, 608972, 652470, 655816, 702660, 745680, 761215, 819770, 869960, 913458, 936880, 983724, 1043952, 1065701, 1070160, 1217944, 1229655, 1304940, 1311632, 1405320, 1522430, 1639540, 1739920, 1826916, 1967448, 2131402, 2283645, 2435888, 2459310, 2609880, 2810640, 3044860, 3197103, 3279080, 3653832, 3934896, 4262804, 4567290, 4918620, 5219760, 5328505, 6089720, 6394206, 6558160, 7307664, 8525608, 9134580, 9837240, 10657010, 12179440, 12788412, 15985515, 17051216, 18269160, 19674480, 21314020, 25576824, 31971030, 36538320, 42628040, 51153648, 63942060, 85256080, 127884120, 255768240]

約数ペア:

[(1, 255768240), (2, 127884120), (3, 85256080), (4, 63942060), (5, 51153648), (6, 42628040), (7, 36538320), (8, 31971030), (10, 25576824), (12, 21314020), (13, 19674480), (14, 18269160), (15, 17051216), (16, 15985515), (20, 12788412), (21, 12179440), (24, 10657010), (26, 9837240), (28, 9134580), (30, 8525608), (35, 7307664), (39, 6558160), (40, 6394206), (42, 6089720), (48, 5328505), (49, 5219760), (52, 4918620), (56, 4567290), (60, 4262804), (65, 3934896), (70, 3653832), (78, 3279080), (80, 3197103), (84, 3044860), (91, 2810640), (98, 2609880), (104, 2459310), (105, 2435888), (112, 2283645), (120, 2131402), (130, 1967448), (140, 1826916), (147, 1739920), (156, 1639540), (168, 1522430), (182, 1405320), (195, 1311632), (196, 1304940), (208, 1229655), (210, 1217944), (239, 1070160), (240, 1065701), (245, 1043952), (260, 983724), (273, 936880), (280, 913458), (294, 869960), (312, 819770), (336, 761215), (343, 745680), (364, 702660), (390, 655816), (392, 652470), (420, 608972), (455, 562128), (478, 535080), (490, 521976), (520, 491862), (546, 468440), (560, 456729), (588, 434980), (624, 409885), (637, 401520), (686, 372840), (717, 356720), (728, 351330), (735, 347984), (780, 327908), (784, 326235), (840, 304486), (910, 281064), (956, 267540), (980, 260988), (1029, 248560), (1040, 245931), (1092, 234220), (1176, 217490), (1195, 214032), (1274, 200760), (1365, 187376), (1372, 186420), (1434, 178360), (1456, 175665), (1470, 173992), (1560, 163954), (1673, 152880), (1680, 152243), (1715, 149136), (1820, 140532), (1911, 133840), (1912, 133770), (1960, 130494), (2058, 124280), (2184, 117110), (2352, 108745), (2390, 107016), (2548, 100380), (2730, 93688), (2744, 93210), (2868, 89180), (2940, 86996), (3107, 82320), (3120, 81977), (3185, 80304), (3346, 76440), (3430, 74568), (3585, 71344), (3640, 70266), (3822, 66920), (3824, 66885), (3920, 65247), (4116, 62140), (4368, 58555), (4459, 57360), (4780, 53508), (5019, 50960), (5096, 50190), (5145, 49712), (5460, 46844), (5488, 46605), (5736, 44590), (5880, 43498), (6214, 41160), (6370, 40152), (6692, 38220), (6860, 37284), (7170, 35672), (7280, 35133), (7644, 33460), (8232, 31070), (8365, 30576), (8918, 28680), (9321, 27440), (9555, 26768), (9560, 26754), (10038, 25480), (10192, 25095), (10290, 24856), (10920, 23422), (11472, 22295), (11711, 21840), (11760, 21749), (12428, 20580), (12740, 20076), (13377, 19120), (13384, 19110), (13720, 18642), (14340, 17836), (15288, 16730), (15535, 16464)]