71911320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1487}}^1$

素因数の和:1545

約数の個数: 128

約数和(自身を含む): 239984640

約数和(自身を除く): 168073320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 31, 39, 40, 52, 60, 62, 65, 78, 93, 104, 120, 124, 130, 155, 156, 186, 195, 248, 260, 310, 312, 372, 390, 403, 465, 520, 620, 744, 780, 806, 930, 1209, 1240, 1487, 1560, 1612, 1860, 2015, 2418, 2974, 3224, 3720, 4030, 4461, 4836, 5948, 6045, 7435, 8060, 8922, 9672, 11896, 12090, 14870, 16120, 17844, 19331, 22305, 24180, 29740, 35688, 38662, 44610, 46097, 48360, 57993, 59480, 77324, 89220, 92194, 96655, 115986, 138291, 154648, 178440, 184388, 193310, 230485, 231972, 276582, 289965, 368776, 386620, 460970, 463944, 553164, 579930, 599261, 691455, 773240, 921940, 1106328, 1159860, 1198522, 1382910, 1797783, 1843880, 2319720, 2397044, 2765820, 2996305, 3595566, 4794088, 5531640, 5992610, 7191132, 8988915, 11985220, 14382264, 17977830, 23970440, 35955660, 71911320]

約数ペア:

[(1, 71911320), (2, 35955660), (3, 23970440), (4, 17977830), (5, 14382264), (6, 11985220), (8, 8988915), (10, 7191132), (12, 5992610), (13, 5531640), (15, 4794088), (20, 3595566), (24, 2996305), (26, 2765820), (30, 2397044), (31, 2319720), (39, 1843880), (40, 1797783), (52, 1382910), (60, 1198522), (62, 1159860), (65, 1106328), (78, 921940), (93, 773240), (104, 691455), (120, 599261), (124, 579930), (130, 553164), (155, 463944), (156, 460970), (186, 386620), (195, 368776), (248, 289965), (260, 276582), (310, 231972), (312, 230485), (372, 193310), (390, 184388), (403, 178440), (465, 154648), (520, 138291), (620, 115986), (744, 96655), (780, 92194), (806, 89220), (930, 77324), (1209, 59480), (1240, 57993), (1487, 48360), (1560, 46097), (1612, 44610), (1860, 38662), (2015, 35688), (2418, 29740), (2974, 24180), (3224, 22305), (3720, 19331), (4030, 17844), (4461, 16120), (4836, 14870), (5948, 12090), (6045, 11896), (7435, 9672), (8060, 8922)]