420491760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{439}}^1$

素因数の和:775

約数の個数: 160

約数和(自身を含む): 1411576320

約数和(自身を除く): 991084560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 307, 312, 390, 439, 520, 614, 624, 780, 878, 921, 1040, 1228, 1317, 1535, 1560, 1756, 1842, 2195, 2456, 2634, 3070, 3120, 3512, 3684, 3991, 4390, 4605, 4912, 5268, 5707, 6140, 6585, 7024, 7368, 7982, 8780, 9210, 10536, 11414, 11973, 12280, 13170, 14736, 15964, 17121, 17560, 18420, 19955, 21072, 22828, 23946, 24560, 26340, 28535, 31928, 34242, 35120, 36840, 39910, 45656, 47892, 52680, 57070, 59865, 63856, 68484, 73680, 79820, 85605, 91312, 95784, 105360, 114140, 119730, 134773, 136968, 159640, 171210, 191568, 228280, 239460, 269546, 273936, 319280, 342420, 404319, 456560, 478920, 539092, 673865, 684840, 808638, 957840, 1078184, 1347730, 1369680, 1617276, 1752049, 2021595, 2156368, 2695460, 3234552, 3504098, 4043190, 5256147, 5390920, 6469104, 7008196, 8086380, 8760245, 10512294, 10781840, 14016392, 16172760, 17520490, 21024588, 26280735, 28032784, 32345520, 35040980, 42049176, 52561470, 70081960, 84098352, 105122940, 140163920, 210245880, 420491760]

約数ペア:

[(1, 420491760), (2, 210245880), (3, 140163920), (4, 105122940), (5, 84098352), (6, 70081960), (8, 52561470), (10, 42049176), (12, 35040980), (13, 32345520), (15, 28032784), (16, 26280735), (20, 21024588), (24, 17520490), (26, 16172760), (30, 14016392), (39, 10781840), (40, 10512294), (48, 8760245), (52, 8086380), (60, 7008196), (65, 6469104), (78, 5390920), (80, 5256147), (104, 4043190), (120, 3504098), (130, 3234552), (156, 2695460), (195, 2156368), (208, 2021595), (240, 1752049), (260, 1617276), (307, 1369680), (312, 1347730), (390, 1078184), (439, 957840), (520, 808638), (614, 684840), (624, 673865), (780, 539092), (878, 478920), (921, 456560), (1040, 404319), (1228, 342420), (1317, 319280), (1535, 273936), (1560, 269546), (1756, 239460), (1842, 228280), (2195, 191568), (2456, 171210), (2634, 159640), (3070, 136968), (3120, 134773), (3512, 119730), (3684, 114140), (3991, 105360), (4390, 95784), (4605, 91312), (4912, 85605), (5268, 79820), (5707, 73680), (6140, 68484), (6585, 63856), (7024, 59865), (7368, 57070), (7982, 52680), (8780, 47892), (9210, 45656), (10536, 39910), (11414, 36840), (11973, 35120), (12280, 34242), (13170, 31928), (14736, 28535), (15964, 26340), (17121, 24560), (17560, 23946), (18420, 22828), (19955, 21072)]