507780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 1956864

約数和(自身を除く): 1449084

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 546, 558, 585, 620, 630, 651, 780, 806, 819, 868, 910, 930, 1085, 1092, 1116, 1170, 1209, 1260, 1302, 1365, 1395, 1612, 1638, 1820, 1860, 1953, 2015, 2170, 2340, 2418, 2604, 2730, 2790, 2821, 3255, 3276, 3627, 3906, 4030, 4095, 4340, 4836, 5460, 5580, 5642, 6045, 6510, 7254, 7812, 8060, 8190, 8463, 9765, 11284, 12090, 13020, 14105, 14508, 16380, 16926, 18135, 19530, 24180, 25389, 28210, 33852, 36270, 39060, 42315, 50778, 56420, 72540, 84630, 101556, 126945, 169260, 253890, 507780]

約数ペア:

[(1, 507780), (2, 253890), (3, 169260), (4, 126945), (5, 101556), (6, 84630), (7, 72540), (9, 56420), (10, 50778), (12, 42315), (13, 39060), (14, 36270), (15, 33852), (18, 28210), (20, 25389), (21, 24180), (26, 19530), (28, 18135), (30, 16926), (31, 16380), (35, 14508), (36, 14105), (39, 13020), (42, 12090), (45, 11284), (52, 9765), (60, 8463), (62, 8190), (63, 8060), (65, 7812), (70, 7254), (78, 6510), (84, 6045), (90, 5642), (91, 5580), (93, 5460), (105, 4836), (117, 4340), (124, 4095), (126, 4030), (130, 3906), (140, 3627), (155, 3276), (156, 3255), (180, 2821), (182, 2790), (186, 2730), (195, 2604), (210, 2418), (217, 2340), (234, 2170), (252, 2015), (260, 1953), (273, 1860), (279, 1820), (310, 1638), (315, 1612), (364, 1395), (372, 1365), (390, 1302), (403, 1260), (420, 1209), (434, 1170), (455, 1116), (465, 1092), (468, 1085), (546, 930), (558, 910), (585, 868), (620, 819), (630, 806), (651, 780)]