1581004880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{2749}}^1$

素因数の和:2861

約数の個数: 160

約数和(自身を含む): 4583040000

約数和(自身を除く): 3002035120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 182, 208, 260, 280, 316, 364, 395, 455, 520, 553, 560, 632, 728, 790, 910, 1027, 1040, 1106, 1264, 1456, 1580, 1820, 2054, 2212, 2749, 2765, 3160, 3640, 4108, 4424, 5135, 5498, 5530, 6320, 7189, 7280, 8216, 8848, 10270, 10996, 11060, 13745, 14378, 16432, 19243, 20540, 21992, 22120, 27490, 28756, 35737, 35945, 38486, 41080, 43984, 44240, 54980, 57512, 71474, 71890, 76972, 82160, 96215, 109960, 115024, 142948, 143780, 153944, 178685, 192430, 217171, 219920, 250159, 285896, 287560, 307888, 357370, 384860, 434342, 500318, 571792, 575120, 714740, 769720, 868684, 1000636, 1085855, 1250795, 1429480, 1520197, 1539440, 1737368, 2001272, 2171710, 2501590, 2823223, 2858960, 3040394, 3474736, 4002544, 4343420, 5003180, 5646446, 6080788, 7600985, 8686840, 10006360, 11292892, 12161576, 14116115, 15201970, 17373680, 19762561, 20012720, 22585784, 24323152, 28232230, 30403940, 39525122, 45171568, 56464460, 60807880, 79050244, 98812805, 112928920, 121615760, 158100488, 197625610, 225857840, 316200976, 395251220, 790502440, 1581004880]

約数ペア:

[(1, 1581004880), (2, 790502440), (4, 395251220), (5, 316200976), (7, 225857840), (8, 197625610), (10, 158100488), (13, 121615760), (14, 112928920), (16, 98812805), (20, 79050244), (26, 60807880), (28, 56464460), (35, 45171568), (40, 39525122), (52, 30403940), (56, 28232230), (65, 24323152), (70, 22585784), (79, 20012720), (80, 19762561), (91, 17373680), (104, 15201970), (112, 14116115), (130, 12161576), (140, 11292892), (158, 10006360), (182, 8686840), (208, 7600985), (260, 6080788), (280, 5646446), (316, 5003180), (364, 4343420), (395, 4002544), (455, 3474736), (520, 3040394), (553, 2858960), (560, 2823223), (632, 2501590), (728, 2171710), (790, 2001272), (910, 1737368), (1027, 1539440), (1040, 1520197), (1106, 1429480), (1264, 1250795), (1456, 1085855), (1580, 1000636), (1820, 868684), (2054, 769720), (2212, 714740), (2749, 575120), (2765, 571792), (3160, 500318), (3640, 434342), (4108, 384860), (4424, 357370), (5135, 307888), (5498, 287560), (5530, 285896), (6320, 250159), (7189, 219920), (7280, 217171), (8216, 192430), (8848, 178685), (10270, 153944), (10996, 143780), (11060, 142948), (13745, 115024), (14378, 109960), (16432, 96215), (19243, 82160), (20540, 76972), (21992, 71890), (22120, 71474), (27490, 57512), (28756, 54980), (35737, 44240), (35945, 43984), (38486, 41080)]