31283340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 100101120

約数和(自身を除く): 68817780

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 121, 124, 132, 139, 155, 165, 186, 220, 242, 278, 310, 330, 341, 363, 372, 417, 465, 484, 556, 605, 620, 660, 682, 695, 726, 834, 930, 1023, 1210, 1364, 1390, 1452, 1529, 1668, 1705, 1815, 1860, 2046, 2085, 2420, 2780, 3058, 3410, 3630, 3751, 4092, 4170, 4309, 4587, 5115, 6116, 6820, 7260, 7502, 7645, 8340, 8618, 9174, 10230, 11253, 12927, 15004, 15290, 16819, 17236, 18348, 18755, 20460, 21545, 22506, 22935, 25854, 30580, 33638, 37510, 43090, 45012, 45870, 47399, 50457, 51708, 56265, 64635, 67276, 75020, 84095, 86180, 91740, 94798, 100914, 112530, 129270, 142197, 168190, 189596, 201828, 225060, 236995, 252285, 258540, 284394, 336380, 473990, 504570, 521389, 568788, 710985, 947980, 1009140, 1042778, 1421970, 1564167, 2085556, 2606945, 2843940, 3128334, 5213890, 6256668, 7820835, 10427780, 15641670, 31283340]

約数ペア:

[(1, 31283340), (2, 15641670), (3, 10427780), (4, 7820835), (5, 6256668), (6, 5213890), (10, 3128334), (11, 2843940), (12, 2606945), (15, 2085556), (20, 1564167), (22, 1421970), (30, 1042778), (31, 1009140), (33, 947980), (44, 710985), (55, 568788), (60, 521389), (62, 504570), (66, 473990), (93, 336380), (110, 284394), (121, 258540), (124, 252285), (132, 236995), (139, 225060), (155, 201828), (165, 189596), (186, 168190), (220, 142197), (242, 129270), (278, 112530), (310, 100914), (330, 94798), (341, 91740), (363, 86180), (372, 84095), (417, 75020), (465, 67276), (484, 64635), (556, 56265), (605, 51708), (620, 50457), (660, 47399), (682, 45870), (695, 45012), (726, 43090), (834, 37510), (930, 33638), (1023, 30580), (1210, 25854), (1364, 22935), (1390, 22506), (1452, 21545), (1529, 20460), (1668, 18755), (1705, 18348), (1815, 17236), (1860, 16819), (2046, 15290), (2085, 15004), (2420, 12927), (2780, 11253), (3058, 10230), (3410, 9174), (3630, 8618), (3751, 8340), (4092, 7645), (4170, 7502), (4309, 7260), (4587, 6820), (5115, 6116)]