120897520

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:155

約数の個数: 120

約数和(自身を含む): 307658880

約数和(自身を除く): 186761360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 41, 58, 62, 80, 82, 116, 124, 145, 155, 164, 205, 232, 248, 290, 310, 328, 410, 464, 496, 580, 620, 656, 820, 899, 1160, 1189, 1240, 1271, 1640, 1681, 1798, 2320, 2378, 2480, 2542, 3280, 3362, 3596, 4495, 4756, 5084, 5945, 6355, 6724, 7192, 8405, 8990, 9512, 10168, 11890, 12710, 13448, 14384, 16810, 17980, 19024, 20336, 23780, 25420, 26896, 33620, 35960, 36859, 47560, 48749, 50840, 52111, 67240, 71920, 73718, 95120, 97498, 101680, 104222, 134480, 147436, 184295, 194996, 208444, 243745, 260555, 294872, 368590, 389992, 416888, 487490, 521110, 589744, 737180, 779984, 833776, 974980, 1042220, 1474360, 1511219, 1949960, 2084440, 2948720, 3022438, 3899920, 4168880, 6044876, 7556095, 12089752, 15112190, 24179504, 30224380, 60448760, 120897520]

約数ペア:

[(1, 120897520), (2, 60448760), (4, 30224380), (5, 24179504), (8, 15112190), (10, 12089752), (16, 7556095), (20, 6044876), (29, 4168880), (31, 3899920), (40, 3022438), (41, 2948720), (58, 2084440), (62, 1949960), (80, 1511219), (82, 1474360), (116, 1042220), (124, 974980), (145, 833776), (155, 779984), (164, 737180), (205, 589744), (232, 521110), (248, 487490), (290, 416888), (310, 389992), (328, 368590), (410, 294872), (464, 260555), (496, 243745), (580, 208444), (620, 194996), (656, 184295), (820, 147436), (899, 134480), (1160, 104222), (1189, 101680), (1240, 97498), (1271, 95120), (1640, 73718), (1681, 71920), (1798, 67240), (2320, 52111), (2378, 50840), (2480, 48749), (2542, 47560), (3280, 36859), (3362, 35960), (3596, 33620), (4495, 26896), (4756, 25420), (5084, 23780), (5945, 20336), (6355, 19024), (6724, 17980), (7192, 16810), (8405, 14384), (8990, 13448), (9512, 12710), (10168, 11890)]