1220804520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19087}}^1$

素因数の和:19155

約数の個数: 128

約数和(自身を含む): 4040547840

約数和(自身を除く): 2819743320

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, 492, 520, 533, 615, 780, 820, 984, 1066, 1230, 1560, 1599, 1640, 2132, 2460, 2665, 3198, 4264, 4920, 5330, 6396, 7995, 10660, 12792, 15990, 19087, 21320, 31980, 38174, 57261, 63960, 76348, 95435, 114522, 152696, 190870, 229044, 248131, 286305, 381740, 458088, 496262, 572610, 744393, 763480, 782567, 992524, 1145220, 1240655, 1488786, 1565134, 1985048, 2290440, 2347701, 2481310, 2977572, 3130268, 3721965, 3912835, 4695402, 4962620, 5955144, 6260536, 7443930, 7825670, 9390804, 9925240, 10173371, 11738505, 14887860, 15651340, 18781608, 20346742, 23477010, 29775720, 30520113, 31302680, 40693484, 46954020, 50866855, 61040226, 81386968, 93908040, 101733710, 122080452, 152600565, 203467420, 244160904, 305201130, 406934840, 610402260, 1220804520]

約数ペア:

[(1, 1220804520), (2, 610402260), (3, 406934840), (4, 305201130), (5, 244160904), (6, 203467420), (8, 152600565), (10, 122080452), (12, 101733710), (13, 93908040), (15, 81386968), (20, 61040226), (24, 50866855), (26, 46954020), (30, 40693484), (39, 31302680), (40, 30520113), (41, 29775720), (52, 23477010), (60, 20346742), (65, 18781608), (78, 15651340), (82, 14887860), (104, 11738505), (120, 10173371), (123, 9925240), (130, 9390804), (156, 7825670), (164, 7443930), (195, 6260536), (205, 5955144), (246, 4962620), (260, 4695402), (312, 3912835), (328, 3721965), (390, 3130268), (410, 2977572), (492, 2481310), (520, 2347701), (533, 2290440), (615, 1985048), (780, 1565134), (820, 1488786), (984, 1240655), (1066, 1145220), (1230, 992524), (1560, 782567), (1599, 763480), (1640, 744393), (2132, 572610), (2460, 496262), (2665, 458088), (3198, 381740), (4264, 286305), (4920, 248131), (5330, 229044), (6396, 190870), (7995, 152696), (10660, 114522), (12792, 95435), (15990, 76348), (19087, 63960), (21320, 57261), (31980, 38174)]