180503960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2917}}^1$

素因数の和:2965

約数の個数: 128

約数和(自身を含む): 529441920

約数和(自身を除く): 348937960

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 26, 28, 34, 35, 40, 52, 56, 65, 68, 70, 85, 91, 104, 119, 130, 136, 140, 170, 182, 221, 238, 260, 280, 340, 364, 442, 455, 476, 520, 595, 680, 728, 884, 910, 952, 1105, 1190, 1547, 1768, 1820, 2210, 2380, 2917, 3094, 3640, 4420, 4760, 5834, 6188, 7735, 8840, 11668, 12376, 14585, 15470, 20419, 23336, 29170, 30940, 37921, 40838, 49589, 58340, 61880, 75842, 81676, 99178, 102095, 116680, 151684, 163352, 189605, 198356, 204190, 247945, 265447, 303368, 347123, 379210, 396712, 408380, 495890, 530894, 644657, 694246, 758420, 816760, 991780, 1061788, 1289314, 1327235, 1388492, 1516840, 1735615, 1983560, 2123576, 2578628, 2654470, 2776984, 3223285, 3471230, 4512599, 5157256, 5308940, 6446570, 6942460, 9025198, 10617880, 12893140, 13884920, 18050396, 22562995, 25786280, 36100792, 45125990, 90251980, 180503960]

約数ペア:

[(1, 180503960), (2, 90251980), (4, 45125990), (5, 36100792), (7, 25786280), (8, 22562995), (10, 18050396), (13, 13884920), (14, 12893140), (17, 10617880), (20, 9025198), (26, 6942460), (28, 6446570), (34, 5308940), (35, 5157256), (40, 4512599), (52, 3471230), (56, 3223285), (65, 2776984), (68, 2654470), (70, 2578628), (85, 2123576), (91, 1983560), (104, 1735615), (119, 1516840), (130, 1388492), (136, 1327235), (140, 1289314), (170, 1061788), (182, 991780), (221, 816760), (238, 758420), (260, 694246), (280, 644657), (340, 530894), (364, 495890), (442, 408380), (455, 396712), (476, 379210), (520, 347123), (595, 303368), (680, 265447), (728, 247945), (884, 204190), (910, 198356), (952, 189605), (1105, 163352), (1190, 151684), (1547, 116680), (1768, 102095), (1820, 99178), (2210, 81676), (2380, 75842), (2917, 61880), (3094, 58340), (3640, 49589), (4420, 40838), (4760, 37921), (5834, 30940), (6188, 29170), (7735, 23336), (8840, 20419), (11668, 15470), (12376, 14585)]