15659280

素因数分解:

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

素因数の和:278

約数の個数: 240

約数和(自身を含む): 64995840

約数和(自身を除く): 49336560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 16, 18, 20, 21, 24, 26, 28, 30, 35, 36, 39, 40, 42, 45, 48, 52, 56, 60, 63, 65, 70, 72, 78, 80, 84, 90, 91, 104, 105, 112, 117, 120, 126, 130, 140, 144, 156, 168, 180, 182, 195, 208, 210, 234, 239, 240, 252, 260, 273, 280, 312, 315, 336, 360, 364, 390, 420, 455, 468, 478, 504, 520, 546, 560, 585, 624, 630, 717, 720, 728, 780, 819, 840, 910, 936, 956, 1008, 1040, 1092, 1170, 1195, 1260, 1365, 1434, 1456, 1560, 1638, 1673, 1680, 1820, 1872, 1912, 2151, 2184, 2340, 2390, 2520, 2730, 2868, 3107, 3120, 3276, 3346, 3585, 3640, 3824, 4095, 4302, 4368, 4680, 4780, 5019, 5040, 5460, 5736, 6214, 6552, 6692, 7170, 7280, 8190, 8365, 8604, 9321, 9360, 9560, 10038, 10755, 10920, 11472, 12428, 13104, 13384, 14340, 15057, 15535, 16380, 16730, 17208, 18642, 19120, 20076, 21510, 21749, 21840, 24856, 25095, 26768, 27963, 28680, 30114, 31070, 32760, 33460, 34416, 37284, 40152, 43020, 43498, 46605, 49712, 50190, 55926, 57360, 60228, 62140, 65247, 65520, 66920, 74568, 75285, 80304, 86040, 86996, 93210, 100380, 108745, 111852, 120456, 124280, 130494, 133840, 139815, 149136, 150570, 172080, 173992, 186420, 195741, 200760, 217490, 223704, 240912, 248560, 260988, 279630, 301140, 326235, 347984, 372840, 391482, 401520, 434980, 447408, 521976, 559260, 602280, 652470, 745680, 782964, 869960, 978705, 1043952, 1118520, 1204560, 1304940, 1565928, 1739920, 1957410, 2237040, 2609880, 3131856, 3914820, 5219760, 7829640, 15659280]

約数ペア:

[(1, 15659280), (2, 7829640), (3, 5219760), (4, 3914820), (5, 3131856), (6, 2609880), (7, 2237040), (8, 1957410), (9, 1739920), (10, 1565928), (12, 1304940), (13, 1204560), (14, 1118520), (15, 1043952), (16, 978705), (18, 869960), (20, 782964), (21, 745680), (24, 652470), (26, 602280), (28, 559260), (30, 521976), (35, 447408), (36, 434980), (39, 401520), (40, 391482), (42, 372840), (45, 347984), (48, 326235), (52, 301140), (56, 279630), (60, 260988), (63, 248560), (65, 240912), (70, 223704), (72, 217490), (78, 200760), (80, 195741), (84, 186420), (90, 173992), (91, 172080), (104, 150570), (105, 149136), (112, 139815), (117, 133840), (120, 130494), (126, 124280), (130, 120456), (140, 111852), (144, 108745), (156, 100380), (168, 93210), (180, 86996), (182, 86040), (195, 80304), (208, 75285), (210, 74568), (234, 66920), (239, 65520), (240, 65247), (252, 62140), (260, 60228), (273, 57360), (280, 55926), (312, 50190), (315, 49712), (336, 46605), (360, 43498), (364, 43020), (390, 40152), (420, 37284), (455, 34416), (468, 33460), (478, 32760), (504, 31070), (520, 30114), (546, 28680), (560, 27963), (585, 26768), (624, 25095), (630, 24856), (717, 21840), (720, 21749), (728, 21510), (780, 20076), (819, 19120), (840, 18642), (910, 17208), (936, 16730), (956, 16380), (1008, 15535), (1040, 15057), (1092, 14340), (1170, 13384), (1195, 13104), (1260, 12428), (1365, 11472), (1434, 10920), (1456, 10755), (1560, 10038), (1638, 9560), (1673, 9360), (1680, 9321), (1820, 8604), (1872, 8365), (1912, 8190), (2151, 7280), (2184, 7170), (2340, 6692), (2390, 6552), (2520, 6214), (2730, 5736), (2868, 5460), (3107, 5040), (3120, 5019), (3276, 4780), (3346, 4680), (3585, 4368), (3640, 4302), (3824, 4095)]