31027040

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1$

素因数の和:121

約数の個数: 144

約数和(自身を含む): 86338224

約数和(自身を除く): 55311184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 32, 34, 40, 44, 55, 61, 68, 80, 85, 88, 110, 122, 136, 160, 170, 176, 187, 220, 244, 272, 289, 305, 340, 352, 374, 440, 488, 544, 578, 610, 671, 680, 748, 880, 935, 976, 1037, 1156, 1220, 1342, 1360, 1445, 1496, 1760, 1870, 1952, 2074, 2312, 2440, 2684, 2720, 2890, 2992, 3179, 3355, 3740, 4148, 4624, 4880, 5185, 5368, 5780, 5984, 6358, 6710, 7480, 8296, 9248, 9760, 10370, 10736, 11407, 11560, 12716, 13420, 14960, 15895, 16592, 17629, 20740, 21472, 22814, 23120, 25432, 26840, 29920, 31790, 33184, 35258, 41480, 45628, 46240, 50864, 53680, 57035, 63580, 70516, 82960, 88145, 91256, 101728, 107360, 114070, 127160, 141032, 165920, 176290, 182512, 193919, 228140, 254320, 282064, 352580, 365024, 387838, 456280, 508640, 564128, 705160, 775676, 912560, 969595, 1410320, 1551352, 1825120, 1939190, 2820640, 3102704, 3878380, 6205408, 7756760, 15513520, 31027040]

約数ペア:

[(1, 31027040), (2, 15513520), (4, 7756760), (5, 6205408), (8, 3878380), (10, 3102704), (11, 2820640), (16, 1939190), (17, 1825120), (20, 1551352), (22, 1410320), (32, 969595), (34, 912560), (40, 775676), (44, 705160), (55, 564128), (61, 508640), (68, 456280), (80, 387838), (85, 365024), (88, 352580), (110, 282064), (122, 254320), (136, 228140), (160, 193919), (170, 182512), (176, 176290), (187, 165920), (220, 141032), (244, 127160), (272, 114070), (289, 107360), (305, 101728), (340, 91256), (352, 88145), (374, 82960), (440, 70516), (488, 63580), (544, 57035), (578, 53680), (610, 50864), (671, 46240), (680, 45628), (748, 41480), (880, 35258), (935, 33184), (976, 31790), (1037, 29920), (1156, 26840), (1220, 25432), (1342, 23120), (1360, 22814), (1445, 21472), (1496, 20740), (1760, 17629), (1870, 16592), (1952, 15895), (2074, 14960), (2312, 13420), (2440, 12716), (2684, 11560), (2720, 11407), (2890, 10736), (2992, 10370), (3179, 9760), (3355, 9248), (3740, 8296), (4148, 7480), (4624, 6710), (4880, 6358), (5185, 5984), (5368, 5780)]