31896540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 106954848

約数和(自身を除く): 75058308

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, 317, 387, 390, 430, 468, 516, 559, 585, 634, 645, 774, 780, 860, 951, 1118, 1170, 1268, 1290, 1548, 1585, 1677, 1902, 1935, 2236, 2340, 2580, 2795, 2853, 3170, 3354, 3804, 3870, 4121, 4755, 5031, 5590, 5706, 6340, 6708, 7740, 8242, 8385, 9510, 10062, 11180, 11412, 12363, 13631, 14265, 16484, 16770, 19020, 20124, 20605, 24726, 25155, 27262, 28530, 33540, 37089, 40893, 41210, 49452, 50310, 54524, 57060, 61815, 68155, 74178, 81786, 82420, 100620, 122679, 123630, 136310, 148356, 163572, 177203, 185445, 204465, 245358, 247260, 272620, 354406, 370890, 408930, 490716, 531609, 613395, 708812, 741780, 817860, 886015, 1063218, 1226790, 1594827, 1772030, 2126436, 2453580, 2658045, 3189654, 3544060, 5316090, 6379308, 7974135, 10632180, 15948270, 31896540]

約数ペア:

[(1, 31896540), (2, 15948270), (3, 10632180), (4, 7974135), (5, 6379308), (6, 5316090), (9, 3544060), (10, 3189654), (12, 2658045), (13, 2453580), (15, 2126436), (18, 1772030), (20, 1594827), (26, 1226790), (30, 1063218), (36, 886015), (39, 817860), (43, 741780), (45, 708812), (52, 613395), (60, 531609), (65, 490716), (78, 408930), (86, 370890), (90, 354406), (117, 272620), (129, 247260), (130, 245358), (156, 204465), (172, 185445), (180, 177203), (195, 163572), (215, 148356), (234, 136310), (258, 123630), (260, 122679), (317, 100620), (387, 82420), (390, 81786), (430, 74178), (468, 68155), (516, 61815), (559, 57060), (585, 54524), (634, 50310), (645, 49452), (774, 41210), (780, 40893), (860, 37089), (951, 33540), (1118, 28530), (1170, 27262), (1268, 25155), (1290, 24726), (1548, 20605), (1585, 20124), (1677, 19020), (1902, 16770), (1935, 16484), (2236, 14265), (2340, 13631), (2580, 12363), (2795, 11412), (2853, 11180), (3170, 10062), (3354, 9510), (3804, 8385), (3870, 8242), (4121, 7740), (4755, 6708), (5031, 6340), (5590, 5706)]