31478640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4231}}^1$

素因数の和:4278

約数の個数: 80

約数和(自身を含む): 100755456

約数和(自身を除く): 69276816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 3720, 4231, 7440, 8462, 12693, 16924, 21155, 25386, 33848, 42310, 50772, 63465, 67696, 84620, 101544, 126930, 131161, 169240, 203088, 253860, 262322, 338480, 393483, 507720, 524644, 655805, 786966, 1015440, 1049288, 1311610, 1573932, 1967415, 2098576, 2623220, 3147864, 3934830, 5246440, 6295728, 7869660, 10492880, 15739320, 31478640]

約数ペア:

[(1, 31478640), (2, 15739320), (3, 10492880), (4, 7869660), (5, 6295728), (6, 5246440), (8, 3934830), (10, 3147864), (12, 2623220), (15, 2098576), (16, 1967415), (20, 1573932), (24, 1311610), (30, 1049288), (31, 1015440), (40, 786966), (48, 655805), (60, 524644), (62, 507720), (80, 393483), (93, 338480), (120, 262322), (124, 253860), (155, 203088), (186, 169240), (240, 131161), (248, 126930), (310, 101544), (372, 84620), (465, 67696), (496, 63465), (620, 50772), (744, 42310), (930, 33848), (1240, 25386), (1488, 21155), (1860, 16924), (2480, 12693), (3720, 8462), (4231, 7440)]