31961040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1$

素因数の和:241

約数の個数: 160

約数和(自身を含む): 107374080

約数和(自身を除く): 75413040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 43, 48, 57, 60, 76, 80, 86, 95, 114, 120, 129, 152, 163, 172, 190, 215, 228, 240, 258, 285, 304, 326, 344, 380, 430, 456, 489, 516, 570, 645, 652, 688, 760, 815, 817, 860, 912, 978, 1032, 1140, 1290, 1304, 1520, 1630, 1634, 1720, 1956, 2064, 2280, 2445, 2451, 2580, 2608, 3097, 3260, 3268, 3440, 3912, 4085, 4560, 4890, 4902, 5160, 6194, 6520, 6536, 7009, 7824, 8170, 9291, 9780, 9804, 10320, 12255, 12388, 13040, 13072, 14018, 15485, 16340, 18582, 19560, 19608, 21027, 24510, 24776, 28036, 30970, 32680, 35045, 37164, 39120, 39216, 42054, 46455, 49020, 49552, 56072, 61940, 65360, 70090, 74328, 84108, 92910, 98040, 105135, 112144, 123880, 133171, 140180, 148656, 168216, 185820, 196080, 210270, 247760, 266342, 280360, 336432, 371640, 399513, 420540, 532684, 560720, 665855, 743280, 799026, 841080, 1065368, 1331710, 1598052, 1682160, 1997565, 2130736, 2663420, 3196104, 3995130, 5326840, 6392208, 7990260, 10653680, 15980520, 31961040]

約数ペア:

[(1, 31961040), (2, 15980520), (3, 10653680), (4, 7990260), (5, 6392208), (6, 5326840), (8, 3995130), (10, 3196104), (12, 2663420), (15, 2130736), (16, 1997565), (19, 1682160), (20, 1598052), (24, 1331710), (30, 1065368), (38, 841080), (40, 799026), (43, 743280), (48, 665855), (57, 560720), (60, 532684), (76, 420540), (80, 399513), (86, 371640), (95, 336432), (114, 280360), (120, 266342), (129, 247760), (152, 210270), (163, 196080), (172, 185820), (190, 168216), (215, 148656), (228, 140180), (240, 133171), (258, 123880), (285, 112144), (304, 105135), (326, 98040), (344, 92910), (380, 84108), (430, 74328), (456, 70090), (489, 65360), (516, 61940), (570, 56072), (645, 49552), (652, 49020), (688, 46455), (760, 42054), (815, 39216), (817, 39120), (860, 37164), (912, 35045), (978, 32680), (1032, 30970), (1140, 28036), (1290, 24776), (1304, 24510), (1520, 21027), (1630, 19608), (1634, 19560), (1720, 18582), (1956, 16340), (2064, 15485), (2280, 14018), (2445, 13072), (2451, 13040), (2580, 12388), (2608, 12255), (3097, 10320), (3260, 9804), (3268, 9780), (3440, 9291), (3912, 8170), (4085, 7824), (4560, 7009), (4890, 6536), (4902, 6520), (5160, 6194)]