31806320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 96743808

約数和(自身を除く): 64937488

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 80, 85, 91, 104, 112, 119, 130, 136, 140, 170, 182, 208, 221, 238, 257, 260, 272, 280, 340, 364, 442, 455, 476, 514, 520, 560, 595, 680, 728, 884, 910, 952, 1028, 1040, 1105, 1190, 1285, 1360, 1456, 1547, 1768, 1799, 1820, 1904, 2056, 2210, 2380, 2570, 3094, 3341, 3536, 3598, 3640, 4112, 4369, 4420, 4760, 5140, 6188, 6682, 7196, 7280, 7735, 8738, 8840, 8995, 9520, 10280, 12376, 13364, 14392, 15470, 16705, 17476, 17680, 17990, 20560, 21845, 23387, 24752, 26728, 28784, 30583, 30940, 33410, 34952, 35980, 43690, 46774, 53456, 56797, 61166, 61880, 66820, 69904, 71960, 87380, 93548, 113594, 116935, 122332, 123760, 133640, 143920, 152915, 174760, 187096, 227188, 233870, 244664, 267280, 283985, 305830, 349520, 374192, 397579, 454376, 467740, 489328, 567970, 611660, 795158, 908752, 935480, 1135940, 1223320, 1590316, 1870960, 1987895, 2271880, 2446640, 3180632, 3975790, 4543760, 6361264, 7951580, 15903160, 31806320]

約数ペア:

[(1, 31806320), (2, 15903160), (4, 7951580), (5, 6361264), (7, 4543760), (8, 3975790), (10, 3180632), (13, 2446640), (14, 2271880), (16, 1987895), (17, 1870960), (20, 1590316), (26, 1223320), (28, 1135940), (34, 935480), (35, 908752), (40, 795158), (52, 611660), (56, 567970), (65, 489328), (68, 467740), (70, 454376), (80, 397579), (85, 374192), (91, 349520), (104, 305830), (112, 283985), (119, 267280), (130, 244664), (136, 233870), (140, 227188), (170, 187096), (182, 174760), (208, 152915), (221, 143920), (238, 133640), (257, 123760), (260, 122332), (272, 116935), (280, 113594), (340, 93548), (364, 87380), (442, 71960), (455, 69904), (476, 66820), (514, 61880), (520, 61166), (560, 56797), (595, 53456), (680, 46774), (728, 43690), (884, 35980), (910, 34952), (952, 33410), (1028, 30940), (1040, 30583), (1105, 28784), (1190, 26728), (1285, 24752), (1360, 23387), (1456, 21845), (1547, 20560), (1768, 17990), (1799, 17680), (1820, 17476), (1904, 16705), (2056, 15470), (2210, 14392), (2380, 13364), (2570, 12376), (3094, 10280), (3341, 9520), (3536, 8995), (3598, 8840), (3640, 8738), (4112, 7735), (4369, 7280), (4420, 7196), (4760, 6682), (5140, 6188)]