31148520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:555

約数の個数: 128

約数和(自身を含む): 103299840

約数和(自身を除く): 72151320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 41, 52, 60, 65, 78, 82, 104, 120, 123, 130, 156, 164, 195, 205, 246, 260, 312, 328, 390, 410, 487, 492, 520, 533, 615, 780, 820, 974, 984, 1066, 1230, 1461, 1560, 1599, 1640, 1948, 2132, 2435, 2460, 2665, 2922, 3198, 3896, 4264, 4870, 4920, 5330, 5844, 6331, 6396, 7305, 7995, 9740, 10660, 11688, 12662, 12792, 14610, 15990, 18993, 19480, 19967, 21320, 25324, 29220, 31655, 31980, 37986, 39934, 50648, 58440, 59901, 63310, 63960, 75972, 79868, 94965, 99835, 119802, 126620, 151944, 159736, 189930, 199670, 239604, 253240, 259571, 299505, 379860, 399340, 479208, 519142, 599010, 759720, 778713, 798680, 1038284, 1198020, 1297855, 1557426, 2076568, 2396040, 2595710, 3114852, 3893565, 5191420, 6229704, 7787130, 10382840, 15574260, 31148520]

約数ペア:

[(1, 31148520), (2, 15574260), (3, 10382840), (4, 7787130), (5, 6229704), (6, 5191420), (8, 3893565), (10, 3114852), (12, 2595710), (13, 2396040), (15, 2076568), (20, 1557426), (24, 1297855), (26, 1198020), (30, 1038284), (39, 798680), (40, 778713), (41, 759720), (52, 599010), (60, 519142), (65, 479208), (78, 399340), (82, 379860), (104, 299505), (120, 259571), (123, 253240), (130, 239604), (156, 199670), (164, 189930), (195, 159736), (205, 151944), (246, 126620), (260, 119802), (312, 99835), (328, 94965), (390, 79868), (410, 75972), (487, 63960), (492, 63310), (520, 59901), (533, 58440), (615, 50648), (780, 39934), (820, 37986), (974, 31980), (984, 31655), (1066, 29220), (1230, 25324), (1461, 21320), (1560, 19967), (1599, 19480), (1640, 18993), (1948, 15990), (2132, 14610), (2435, 12792), (2460, 12662), (2665, 11688), (2922, 10660), (3198, 9740), (3896, 7995), (4264, 7305), (4870, 6396), (4920, 6331), (5330, 5844)]