70071920

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:330

約数の個数: 80

約数和(自身を含む): 168551712

約数和(自身を除く): 98479792

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 83, 122, 166, 173, 244, 305, 332, 346, 415, 488, 610, 664, 692, 830, 865, 976, 1220, 1328, 1384, 1660, 1730, 2440, 2768, 3320, 3460, 4880, 5063, 6640, 6920, 10126, 10553, 13840, 14359, 20252, 21106, 25315, 28718, 40504, 42212, 50630, 52765, 57436, 71795, 81008, 84424, 101260, 105530, 114872, 143590, 168848, 202520, 211060, 229744, 287180, 405040, 422120, 574360, 844240, 875899, 1148720, 1751798, 3503596, 4379495, 7007192, 8758990, 14014384, 17517980, 35035960, 70071920]

約数ペア:

[(1, 70071920), (2, 35035960), (4, 17517980), (5, 14014384), (8, 8758990), (10, 7007192), (16, 4379495), (20, 3503596), (40, 1751798), (61, 1148720), (80, 875899), (83, 844240), (122, 574360), (166, 422120), (173, 405040), (244, 287180), (305, 229744), (332, 211060), (346, 202520), (415, 168848), (488, 143590), (610, 114872), (664, 105530), (692, 101260), (830, 84424), (865, 81008), (976, 71795), (1220, 57436), (1328, 52765), (1384, 50630), (1660, 42212), (1730, 40504), (2440, 28718), (2768, 25315), (3320, 21106), (3460, 20252), (4880, 14359), (5063, 13840), (6640, 10553), (6920, 10126)]