204820560

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{40639}}^1$

素因数の和:40665

約数の個数: 120

約数和(自身を含む): 786140160

約数和(自身を除く): 581319600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 40639, 81278, 121917, 162556, 203195, 243834, 284473, 325112, 365751, 406390, 487668, 568946, 609585, 650224, 731502, 812780, 853419, 975336, 1137892, 1219170, 1422365, 1463004, 1625560, 1706838, 1828755, 1950672, 2275784, 2438340, 2560257, 2844730, 2926008, 3251120, 3413676, 3657510, 4267095, 4551568, 4876680, 5120514, 5689460, 5852016, 6827352, 7315020, 8534190, 9753360, 10241028, 11378920, 12801285, 13654704, 14630040, 17068380, 20482056, 22757840, 25602570, 29260080, 34136760, 40964112, 51205140, 68273520, 102410280, 204820560]

約数ペア:

[(1, 204820560), (2, 102410280), (3, 68273520), (4, 51205140), (5, 40964112), (6, 34136760), (7, 29260080), (8, 25602570), (9, 22757840), (10, 20482056), (12, 17068380), (14, 14630040), (15, 13654704), (16, 12801285), (18, 11378920), (20, 10241028), (21, 9753360), (24, 8534190), (28, 7315020), (30, 6827352), (35, 5852016), (36, 5689460), (40, 5120514), (42, 4876680), (45, 4551568), (48, 4267095), (56, 3657510), (60, 3413676), (63, 3251120), (70, 2926008), (72, 2844730), (80, 2560257), (84, 2438340), (90, 2275784), (105, 1950672), (112, 1828755), (120, 1706838), (126, 1625560), (140, 1463004), (144, 1422365), (168, 1219170), (180, 1137892), (210, 975336), (240, 853419), (252, 812780), (280, 731502), (315, 650224), (336, 609585), (360, 568946), (420, 487668), (504, 406390), (560, 365751), (630, 325112), (720, 284473), (840, 243834), (1008, 203195), (1260, 162556), (1680, 121917), (2520, 81278), (5040, 40639)]