31311720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7907}}^1$

素因数の和:7935

約数の個数: 96

約数和(自身を含む): 111028320

約数和(自身を除く): 79716600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 7907, 15814, 23721, 31628, 39535, 47442, 63256, 71163, 79070, 86977, 94884, 118605, 142326, 158140, 173954, 189768, 237210, 260931, 284652, 316280, 347908, 355815, 434885, 474420, 521862, 569304, 695816, 711630, 782793, 869770, 948840, 1043724, 1304655, 1423260, 1565586, 1739540, 2087448, 2609310, 2846520, 3131172, 3479080, 3913965, 5218620, 6262344, 7827930, 10437240, 15655860, 31311720]

約数ペア:

[(1, 31311720), (2, 15655860), (3, 10437240), (4, 7827930), (5, 6262344), (6, 5218620), (8, 3913965), (9, 3479080), (10, 3131172), (11, 2846520), (12, 2609310), (15, 2087448), (18, 1739540), (20, 1565586), (22, 1423260), (24, 1304655), (30, 1043724), (33, 948840), (36, 869770), (40, 782793), (44, 711630), (45, 695816), (55, 569304), (60, 521862), (66, 474420), (72, 434885), (88, 355815), (90, 347908), (99, 316280), (110, 284652), (120, 260931), (132, 237210), (165, 189768), (180, 173954), (198, 158140), (220, 142326), (264, 118605), (330, 94884), (360, 86977), (396, 79070), (440, 71163), (495, 63256), (660, 47442), (792, 39535), (990, 31628), (1320, 23721), (1980, 15814), (3960, 7907)]