31309440

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{709}}^1$

素因数の和:754

約数の個数: 128

約数和(自身を含む): 104284800

約数和(自身を除く): 72975360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 128, 138, 160, 184, 192, 230, 240, 276, 320, 345, 368, 384, 460, 480, 552, 640, 690, 709, 736, 920, 960, 1104, 1380, 1418, 1472, 1840, 1920, 2127, 2208, 2760, 2836, 2944, 3545, 3680, 4254, 4416, 5520, 5672, 7090, 7360, 8508, 8832, 10635, 11040, 11344, 14180, 14720, 16307, 17016, 21270, 22080, 22688, 28360, 32614, 34032, 42540, 44160, 45376, 48921, 56720, 65228, 68064, 81535, 85080, 90752, 97842, 113440, 130456, 136128, 163070, 170160, 195684, 226880, 244605, 260912, 272256, 326140, 340320, 391368, 453760, 489210, 521824, 652280, 680640, 782736, 978420, 1043648, 1304560, 1361280, 1565472, 1956840, 2087296, 2609120, 3130944, 3913680, 5218240, 6261888, 7827360, 10436480, 15654720, 31309440]

約数ペア:

[(1, 31309440), (2, 15654720), (3, 10436480), (4, 7827360), (5, 6261888), (6, 5218240), (8, 3913680), (10, 3130944), (12, 2609120), (15, 2087296), (16, 1956840), (20, 1565472), (23, 1361280), (24, 1304560), (30, 1043648), (32, 978420), (40, 782736), (46, 680640), (48, 652280), (60, 521824), (64, 489210), (69, 453760), (80, 391368), (92, 340320), (96, 326140), (115, 272256), (120, 260912), (128, 244605), (138, 226880), (160, 195684), (184, 170160), (192, 163070), (230, 136128), (240, 130456), (276, 113440), (320, 97842), (345, 90752), (368, 85080), (384, 81535), (460, 68064), (480, 65228), (552, 56720), (640, 48921), (690, 45376), (709, 44160), (736, 42540), (920, 34032), (960, 32614), (1104, 28360), (1380, 22688), (1418, 22080), (1472, 21270), (1840, 17016), (1920, 16307), (2127, 14720), (2208, 14180), (2760, 11344), (2836, 11040), (2944, 10635), (3545, 8832), (3680, 8508), (4254, 7360), (4416, 7090), (5520, 5672)]