79988940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^2$

素因数の和:316

約数の個数: 108

約数和(自身を含む): 255016944

約数和(自身を除く): 175028004

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 139, 180, 207, 230, 276, 278, 345, 414, 417, 460, 556, 690, 695, 828, 834, 1035, 1251, 1380, 1390, 1668, 2070, 2085, 2502, 2780, 3197, 4140, 4170, 5004, 6255, 6394, 8340, 9591, 12510, 12788, 15985, 19182, 19321, 25020, 28773, 31970, 38364, 38642, 47955, 57546, 57963, 63940, 77284, 95910, 96605, 115092, 115926, 143865, 173889, 191820, 193210, 231852, 287730, 289815, 347778, 386420, 444383, 575460, 579630, 695556, 869445, 888766, 1159260, 1333149, 1738890, 1777532, 2221915, 2666298, 3477780, 3999447, 4443830, 5332596, 6665745, 7998894, 8887660, 13331490, 15997788, 19997235, 26662980, 39994470, 79988940]

約数ペア:

[(1, 79988940), (2, 39994470), (3, 26662980), (4, 19997235), (5, 15997788), (6, 13331490), (9, 8887660), (10, 7998894), (12, 6665745), (15, 5332596), (18, 4443830), (20, 3999447), (23, 3477780), (30, 2666298), (36, 2221915), (45, 1777532), (46, 1738890), (60, 1333149), (69, 1159260), (90, 888766), (92, 869445), (115, 695556), (138, 579630), (139, 575460), (180, 444383), (207, 386420), (230, 347778), (276, 289815), (278, 287730), (345, 231852), (414, 193210), (417, 191820), (460, 173889), (556, 143865), (690, 115926), (695, 115092), (828, 96605), (834, 95910), (1035, 77284), (1251, 63940), (1380, 57963), (1390, 57546), (1668, 47955), (2070, 38642), (2085, 38364), (2502, 31970), (2780, 28773), (3197, 25020), (4140, 19321), (4170, 19182), (5004, 15985), (6255, 12788), (6394, 12510), (8340, 9591)]