30131140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{401}}^1$

素因数の和:457

約数の個数: 72

約数和(自身を含む): 72567432

約数和(自身を除く): 42436292

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 289, 340, 401, 442, 578, 802, 884, 1105, 1156, 1445, 1604, 2005, 2210, 2890, 3757, 4010, 4420, 5213, 5780, 6817, 7514, 8020, 10426, 13634, 15028, 18785, 20852, 26065, 27268, 34085, 37570, 52130, 68170, 75140, 88621, 104260, 115889, 136340, 177242, 231778, 354484, 443105, 463556, 579445, 886210, 1158890, 1506557, 1772420, 2317780, 3013114, 6026228, 7532785, 15065570, 30131140]

約数ペア:

[(1, 30131140), (2, 15065570), (4, 7532785), (5, 6026228), (10, 3013114), (13, 2317780), (17, 1772420), (20, 1506557), (26, 1158890), (34, 886210), (52, 579445), (65, 463556), (68, 443105), (85, 354484), (130, 231778), (170, 177242), (221, 136340), (260, 115889), (289, 104260), (340, 88621), (401, 75140), (442, 68170), (578, 52130), (802, 37570), (884, 34085), (1105, 27268), (1156, 26065), (1445, 20852), (1604, 18785), (2005, 15028), (2210, 13634), (2890, 10426), (3757, 8020), (4010, 7514), (4420, 6817), (5213, 5780)]