15803880

素因数分解:

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

素因数の和:219

約数の個数: 128

約数和(自身を含む): 51425280

約数和(自身を除く): 35621400

約数列:

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

約数ペア:

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