31700240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 92244096

約数和(自身を除く): 60543856

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 17, 20, 22, 26, 34, 40, 44, 52, 55, 65, 68, 80, 85, 88, 104, 110, 130, 136, 143, 163, 170, 176, 187, 208, 220, 221, 260, 272, 286, 326, 340, 374, 440, 442, 520, 572, 652, 680, 715, 748, 815, 880, 884, 935, 1040, 1105, 1144, 1304, 1360, 1430, 1496, 1630, 1768, 1793, 1870, 2119, 2210, 2288, 2431, 2608, 2771, 2860, 2992, 3260, 3536, 3586, 3740, 4238, 4420, 4862, 5542, 5720, 6520, 7172, 7480, 8476, 8840, 8965, 9724, 10595, 11084, 11440, 12155, 13040, 13855, 14344, 14960, 16952, 17680, 17930, 19448, 21190, 22168, 23309, 24310, 27710, 28688, 30481, 33904, 35860, 36023, 38896, 42380, 44336, 46618, 48620, 55420, 60962, 71720, 72046, 84760, 93236, 97240, 110840, 116545, 121924, 143440, 144092, 152405, 169520, 180115, 186472, 194480, 221680, 233090, 243848, 288184, 304810, 360230, 372944, 396253, 466180, 487696, 576368, 609620, 720460, 792506, 932360, 1219240, 1440920, 1585012, 1864720, 1981265, 2438480, 2881840, 3170024, 3962530, 6340048, 7925060, 15850120, 31700240]

約数ペア:

[(1, 31700240), (2, 15850120), (4, 7925060), (5, 6340048), (8, 3962530), (10, 3170024), (11, 2881840), (13, 2438480), (16, 1981265), (17, 1864720), (20, 1585012), (22, 1440920), (26, 1219240), (34, 932360), (40, 792506), (44, 720460), (52, 609620), (55, 576368), (65, 487696), (68, 466180), (80, 396253), (85, 372944), (88, 360230), (104, 304810), (110, 288184), (130, 243848), (136, 233090), (143, 221680), (163, 194480), (170, 186472), (176, 180115), (187, 169520), (208, 152405), (220, 144092), (221, 143440), (260, 121924), (272, 116545), (286, 110840), (326, 97240), (340, 93236), (374, 84760), (440, 72046), (442, 71720), (520, 60962), (572, 55420), (652, 48620), (680, 46618), (715, 44336), (748, 42380), (815, 38896), (880, 36023), (884, 35860), (935, 33904), (1040, 30481), (1105, 28688), (1144, 27710), (1304, 24310), (1360, 23309), (1430, 22168), (1496, 21190), (1630, 19448), (1768, 17930), (1793, 17680), (1870, 16952), (2119, 14960), (2210, 14344), (2288, 13855), (2431, 13040), (2608, 12155), (2771, 11440), (2860, 11084), (2992, 10595), (3260, 9724), (3536, 8965), (3586, 8840), (3740, 8476), (4238, 7480), (4420, 7172), (4862, 6520), (5542, 5720)]