31874220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{617}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 113375808

約数和(自身を除く): 81501588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 41, 42, 45, 60, 63, 70, 82, 84, 90, 105, 123, 126, 140, 164, 180, 205, 210, 246, 252, 287, 315, 369, 410, 420, 492, 574, 615, 617, 630, 738, 820, 861, 1148, 1230, 1234, 1260, 1435, 1476, 1722, 1845, 1851, 2460, 2468, 2583, 2870, 3085, 3444, 3690, 3702, 4305, 4319, 5166, 5553, 5740, 6170, 7380, 7404, 8610, 8638, 9255, 10332, 11106, 12340, 12915, 12957, 17220, 17276, 18510, 21595, 22212, 25297, 25830, 25914, 27765, 37020, 38871, 43190, 50594, 51660, 51828, 55530, 64785, 75891, 77742, 86380, 101188, 111060, 126485, 129570, 151782, 155484, 177079, 194355, 227673, 252970, 259140, 303564, 354158, 379455, 388710, 455346, 505940, 531237, 708316, 758910, 777420, 885395, 910692, 1062474, 1138365, 1517820, 1593711, 1770790, 2124948, 2276730, 2656185, 3187422, 3541580, 4553460, 5312370, 6374844, 7968555, 10624740, 15937110, 31874220]

約数ペア:

[(1, 31874220), (2, 15937110), (3, 10624740), (4, 7968555), (5, 6374844), (6, 5312370), (7, 4553460), (9, 3541580), (10, 3187422), (12, 2656185), (14, 2276730), (15, 2124948), (18, 1770790), (20, 1593711), (21, 1517820), (28, 1138365), (30, 1062474), (35, 910692), (36, 885395), (41, 777420), (42, 758910), (45, 708316), (60, 531237), (63, 505940), (70, 455346), (82, 388710), (84, 379455), (90, 354158), (105, 303564), (123, 259140), (126, 252970), (140, 227673), (164, 194355), (180, 177079), (205, 155484), (210, 151782), (246, 129570), (252, 126485), (287, 111060), (315, 101188), (369, 86380), (410, 77742), (420, 75891), (492, 64785), (574, 55530), (615, 51828), (617, 51660), (630, 50594), (738, 43190), (820, 38871), (861, 37020), (1148, 27765), (1230, 25914), (1234, 25830), (1260, 25297), (1435, 22212), (1476, 21595), (1722, 18510), (1845, 17276), (1851, 17220), (2460, 12957), (2468, 12915), (2583, 12340), (2870, 11106), (3085, 10332), (3444, 9255), (3690, 8638), (3702, 8610), (4305, 7404), (4319, 7380), (5166, 6170), (5553, 5740)]