253680180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{325231}}^1$

素因数の和:325256

約数の個数: 48

約数和(自身を含む): 764945664

約数和(自身を除く): 511265484

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 325231, 650462, 975693, 1300924, 1626155, 1951386, 3252310, 3902772, 4228003, 4878465, 6504620, 8456006, 9756930, 12684009, 16912012, 19513860, 21140015, 25368018, 42280030, 50736036, 63420045, 84560060, 126840090, 253680180]

約数ペア:

[(1, 253680180), (2, 126840090), (3, 84560060), (4, 63420045), (5, 50736036), (6, 42280030), (10, 25368018), (12, 21140015), (13, 19513860), (15, 16912012), (20, 12684009), (26, 9756930), (30, 8456006), (39, 6504620), (52, 4878465), (60, 4228003), (65, 3902772), (78, 3252310), (130, 1951386), (156, 1626155), (195, 1300924), (260, 975693), (390, 650462), (780, 325231)]