31396680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{4153}}^1$

素因数の和:4180

約数の個数: 128

約数和(自身を含む): 119635200

約数和(自身を除く): 88238520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 4153, 7560, 8306, 12459, 16612, 20765, 24918, 29071, 33224, 37377, 41530, 49836, 58142, 62295, 74754, 83060, 87213, 99672, 112131, 116284, 124590, 145355, 149508, 166120, 174426, 186885, 224262, 232568, 249180, 261639, 290710, 299016, 348852, 373770, 436065, 448524, 498360, 523278, 560655, 581420, 697704, 747540, 784917, 872130, 897048, 1046556, 1121310, 1162840, 1308195, 1495080, 1569834, 1744260, 2093112, 2242620, 2616390, 3139668, 3488520, 3924585, 4485240, 5232780, 6279336, 7849170, 10465560, 15698340, 31396680]

約数ペア:

[(1, 31396680), (2, 15698340), (3, 10465560), (4, 7849170), (5, 6279336), (6, 5232780), (7, 4485240), (8, 3924585), (9, 3488520), (10, 3139668), (12, 2616390), (14, 2242620), (15, 2093112), (18, 1744260), (20, 1569834), (21, 1495080), (24, 1308195), (27, 1162840), (28, 1121310), (30, 1046556), (35, 897048), (36, 872130), (40, 784917), (42, 747540), (45, 697704), (54, 581420), (56, 560655), (60, 523278), (63, 498360), (70, 448524), (72, 436065), (84, 373770), (90, 348852), (105, 299016), (108, 290710), (120, 261639), (126, 249180), (135, 232568), (140, 224262), (168, 186885), (180, 174426), (189, 166120), (210, 149508), (216, 145355), (252, 124590), (270, 116284), (280, 112131), (315, 99672), (360, 87213), (378, 83060), (420, 74754), (504, 62295), (540, 58142), (630, 49836), (756, 41530), (840, 37377), (945, 33224), (1080, 29071), (1260, 24918), (1512, 20765), (1890, 16612), (2520, 12459), (3780, 8306), (4153, 7560)]