31607760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1$

素因数の和:221

約数の個数: 160

約数和(自身を含む): 106278912

約数和(自身を除く): 74671152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 34, 40, 48, 51, 60, 61, 68, 80, 85, 102, 120, 122, 127, 136, 170, 183, 204, 240, 244, 254, 255, 272, 305, 340, 366, 381, 408, 488, 508, 510, 610, 635, 680, 732, 762, 816, 915, 976, 1016, 1020, 1037, 1220, 1270, 1360, 1464, 1524, 1830, 1905, 2032, 2040, 2074, 2159, 2440, 2540, 2928, 3048, 3111, 3660, 3810, 4080, 4148, 4318, 4880, 5080, 5185, 6096, 6222, 6477, 7320, 7620, 7747, 8296, 8636, 10160, 10370, 10795, 12444, 12954, 14640, 15240, 15494, 15555, 16592, 17272, 20740, 21590, 23241, 24888, 25908, 30480, 30988, 31110, 32385, 34544, 38735, 41480, 43180, 46482, 49776, 51816, 61976, 62220, 64770, 77470, 82960, 86360, 92964, 103632, 116205, 123952, 124440, 129540, 131699, 154940, 172720, 185928, 232410, 248880, 259080, 263398, 309880, 371856, 395097, 464820, 518160, 526796, 619760, 658495, 790194, 929640, 1053592, 1316990, 1580388, 1859280, 1975485, 2107184, 2633980, 3160776, 3950970, 5267960, 6321552, 7901940, 10535920, 15803880, 31607760]

約数ペア:

[(1, 31607760), (2, 15803880), (3, 10535920), (4, 7901940), (5, 6321552), (6, 5267960), (8, 3950970), (10, 3160776), (12, 2633980), (15, 2107184), (16, 1975485), (17, 1859280), (20, 1580388), (24, 1316990), (30, 1053592), (34, 929640), (40, 790194), (48, 658495), (51, 619760), (60, 526796), (61, 518160), (68, 464820), (80, 395097), (85, 371856), (102, 309880), (120, 263398), (122, 259080), (127, 248880), (136, 232410), (170, 185928), (183, 172720), (204, 154940), (240, 131699), (244, 129540), (254, 124440), (255, 123952), (272, 116205), (305, 103632), (340, 92964), (366, 86360), (381, 82960), (408, 77470), (488, 64770), (508, 62220), (510, 61976), (610, 51816), (635, 49776), (680, 46482), (732, 43180), (762, 41480), (816, 38735), (915, 34544), (976, 32385), (1016, 31110), (1020, 30988), (1037, 30480), (1220, 25908), (1270, 24888), (1360, 23241), (1464, 21590), (1524, 20740), (1830, 17272), (1905, 16592), (2032, 15555), (2040, 15494), (2074, 15240), (2159, 14640), (2440, 12954), (2540, 12444), (2928, 10795), (3048, 10370), (3111, 10160), (3660, 8636), (3810, 8296), (4080, 7747), (4148, 7620), (4318, 7320), (4880, 6477), (5080, 6222), (5185, 6096)]