180724518

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{251}}^1$

素因数の和:470

約数の個数: 96

約数和(自身を含む): 450751392

約数和(自身を除く): 270026874

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 181, 221, 234, 251, 306, 362, 442, 502, 543, 663, 753, 1086, 1326, 1506, 1629, 1989, 2259, 2353, 3077, 3258, 3263, 3978, 4267, 4518, 4706, 6154, 6526, 7059, 8534, 9231, 9789, 12801, 14118, 18462, 19578, 21177, 25602, 27693, 29367, 38403, 40001, 42354, 45431, 55386, 55471, 58734, 76806, 80002, 90862, 110942, 120003, 136293, 166413, 240006, 272586, 332826, 360009, 408879, 499239, 590603, 720018, 772327, 817758, 998478, 1181206, 1544654, 1771809, 2316981, 3543618, 4633962, 5315427, 6950943, 10040251, 10630854, 13901886, 20080502, 30120753, 60241506, 90362259, 180724518]

約数ペア:

[(1, 180724518), (2, 90362259), (3, 60241506), (6, 30120753), (9, 20080502), (13, 13901886), (17, 10630854), (18, 10040251), (26, 6950943), (34, 5315427), (39, 4633962), (51, 3543618), (78, 2316981), (102, 1771809), (117, 1544654), (153, 1181206), (181, 998478), (221, 817758), (234, 772327), (251, 720018), (306, 590603), (362, 499239), (442, 408879), (502, 360009), (543, 332826), (663, 272586), (753, 240006), (1086, 166413), (1326, 136293), (1506, 120003), (1629, 110942), (1989, 90862), (2259, 80002), (2353, 76806), (3077, 58734), (3258, 55471), (3263, 55386), (3978, 45431), (4267, 42354), (4518, 40001), (4706, 38403), (6154, 29367), (6526, 27693), (7059, 25602), (8534, 21177), (9231, 19578), (9789, 18462), (12801, 14118)]