31494060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1$

素因数の和:384

約数の個数: 144

約数和(自身を含む): 105609504

約数和(自身を除く): 74115444

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 43, 45, 52, 60, 65, 78, 86, 90, 117, 129, 130, 156, 172, 180, 195, 215, 234, 258, 260, 313, 387, 390, 430, 468, 516, 559, 585, 626, 645, 774, 780, 860, 939, 1118, 1170, 1252, 1290, 1548, 1565, 1677, 1878, 1935, 2236, 2340, 2580, 2795, 2817, 3130, 3354, 3756, 3870, 4069, 4695, 5031, 5590, 5634, 6260, 6708, 7740, 8138, 8385, 9390, 10062, 11180, 11268, 12207, 13459, 14085, 16276, 16770, 18780, 20124, 20345, 24414, 25155, 26918, 28170, 33540, 36621, 40377, 40690, 48828, 50310, 53836, 56340, 61035, 67295, 73242, 80754, 81380, 100620, 121131, 122070, 134590, 146484, 161508, 174967, 183105, 201885, 242262, 244140, 269180, 349934, 366210, 403770, 484524, 524901, 605655, 699868, 732420, 807540, 874835, 1049802, 1211310, 1574703, 1749670, 2099604, 2422620, 2624505, 3149406, 3499340, 5249010, 6298812, 7873515, 10498020, 15747030, 31494060]

約数ペア:

[(1, 31494060), (2, 15747030), (3, 10498020), (4, 7873515), (5, 6298812), (6, 5249010), (9, 3499340), (10, 3149406), (12, 2624505), (13, 2422620), (15, 2099604), (18, 1749670), (20, 1574703), (26, 1211310), (30, 1049802), (36, 874835), (39, 807540), (43, 732420), (45, 699868), (52, 605655), (60, 524901), (65, 484524), (78, 403770), (86, 366210), (90, 349934), (117, 269180), (129, 244140), (130, 242262), (156, 201885), (172, 183105), (180, 174967), (195, 161508), (215, 146484), (234, 134590), (258, 122070), (260, 121131), (313, 100620), (387, 81380), (390, 80754), (430, 73242), (468, 67295), (516, 61035), (559, 56340), (585, 53836), (626, 50310), (645, 48828), (774, 40690), (780, 40377), (860, 36621), (939, 33540), (1118, 28170), (1170, 26918), (1252, 25155), (1290, 24414), (1548, 20345), (1565, 20124), (1677, 18780), (1878, 16770), (1935, 16276), (2236, 14085), (2340, 13459), (2580, 12207), (2795, 11268), (2817, 11180), (3130, 10062), (3354, 9390), (3756, 8385), (3870, 8138), (4069, 7740), (4695, 6708), (5031, 6260), (5590, 5634)]