253890

素因数分解:

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

素因数の和:64

約数の個数: 96

約数和(自身を含む): 838656

約数和(自身を除く): 584766

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 31, 35, 39, 42, 45, 62, 63, 65, 70, 78, 90, 91, 93, 105, 117, 126, 130, 155, 182, 186, 195, 210, 217, 234, 273, 279, 310, 315, 390, 403, 434, 455, 465, 546, 558, 585, 630, 651, 806, 819, 910, 930, 1085, 1170, 1209, 1302, 1365, 1395, 1638, 1953, 2015, 2170, 2418, 2730, 2790, 2821, 3255, 3627, 3906, 4030, 4095, 5642, 6045, 6510, 7254, 8190, 8463, 9765, 12090, 14105, 16926, 18135, 19530, 25389, 28210, 36270, 42315, 50778, 84630, 126945, 253890]

約数ペア:

[(1, 253890), (2, 126945), (3, 84630), (5, 50778), (6, 42315), (7, 36270), (9, 28210), (10, 25389), (13, 19530), (14, 18135), (15, 16926), (18, 14105), (21, 12090), (26, 9765), (30, 8463), (31, 8190), (35, 7254), (39, 6510), (42, 6045), (45, 5642), (62, 4095), (63, 4030), (65, 3906), (70, 3627), (78, 3255), (90, 2821), (91, 2790), (93, 2730), (105, 2418), (117, 2170), (126, 2015), (130, 1953), (155, 1638), (182, 1395), (186, 1365), (195, 1302), (210, 1209), (217, 1170), (234, 1085), (273, 930), (279, 910), (310, 819), (315, 806), (390, 651), (403, 630), (434, 585), (455, 558), (465, 546)]