28326480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1297}}^1$

素因数の和:1333

約数の個数: 160

約数和(自身を含む): 108159744

約数和(自身を除く): 79833264

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, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1297, 1365, 1456, 1560, 1680, 1820, 2184, 2594, 2730, 3120, 3640, 3891, 4368, 5188, 5460, 6485, 7280, 7782, 9079, 10376, 10920, 12970, 15564, 16861, 18158, 19455, 20752, 21840, 25940, 27237, 31128, 33722, 36316, 38910, 45395, 50583, 51880, 54474, 62256, 67444, 72632, 77820, 84305, 90790, 101166, 103760, 108948, 118027, 134888, 136185, 145264, 155640, 168610, 181580, 202332, 217896, 236054, 252915, 269776, 272370, 311280, 337220, 354081, 363160, 404664, 435792, 472108, 505830, 544740, 590135, 674440, 708162, 726320, 809328, 944216, 1011660, 1089480, 1180270, 1348880, 1416324, 1770405, 1888432, 2023320, 2178960, 2360540, 2832648, 3540810, 4046640, 4721080, 5665296, 7081620, 9442160, 14163240, 28326480]

約数ペア:

[(1, 28326480), (2, 14163240), (3, 9442160), (4, 7081620), (5, 5665296), (6, 4721080), (7, 4046640), (8, 3540810), (10, 2832648), (12, 2360540), (13, 2178960), (14, 2023320), (15, 1888432), (16, 1770405), (20, 1416324), (21, 1348880), (24, 1180270), (26, 1089480), (28, 1011660), (30, 944216), (35, 809328), (39, 726320), (40, 708162), (42, 674440), (48, 590135), (52, 544740), (56, 505830), (60, 472108), (65, 435792), (70, 404664), (78, 363160), (80, 354081), (84, 337220), (91, 311280), (104, 272370), (105, 269776), (112, 252915), (120, 236054), (130, 217896), (140, 202332), (156, 181580), (168, 168610), (182, 155640), (195, 145264), (208, 136185), (210, 134888), (240, 118027), (260, 108948), (273, 103760), (280, 101166), (312, 90790), (336, 84305), (364, 77820), (390, 72632), (420, 67444), (455, 62256), (520, 54474), (546, 51880), (560, 50583), (624, 45395), (728, 38910), (780, 36316), (840, 33722), (910, 31128), (1040, 27237), (1092, 25940), (1297, 21840), (1365, 20752), (1456, 19455), (1560, 18158), (1680, 16861), (1820, 15564), (2184, 12970), (2594, 10920), (2730, 10376), (3120, 9079), (3640, 7782), (3891, 7280), (4368, 6485), (5188, 5460)]