18897360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1109}}^1$

素因数の和:1196

約数の個数: 80

約数和(自身を含む): 59460480

約数和(自身を除く): 40563120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 71, 80, 120, 142, 213, 240, 284, 355, 426, 568, 710, 852, 1065, 1109, 1136, 1420, 1704, 2130, 2218, 2840, 3327, 3408, 4260, 4436, 5545, 5680, 6654, 8520, 8872, 11090, 13308, 16635, 17040, 17744, 22180, 26616, 33270, 44360, 53232, 66540, 78739, 88720, 133080, 157478, 236217, 266160, 314956, 393695, 472434, 629912, 787390, 944868, 1181085, 1259824, 1574780, 1889736, 2362170, 3149560, 3779472, 4724340, 6299120, 9448680, 18897360]

約数ペア:

[(1, 18897360), (2, 9448680), (3, 6299120), (4, 4724340), (5, 3779472), (6, 3149560), (8, 2362170), (10, 1889736), (12, 1574780), (15, 1259824), (16, 1181085), (20, 944868), (24, 787390), (30, 629912), (40, 472434), (48, 393695), (60, 314956), (71, 266160), (80, 236217), (120, 157478), (142, 133080), (213, 88720), (240, 78739), (284, 66540), (355, 53232), (426, 44360), (568, 33270), (710, 26616), (852, 22180), (1065, 17744), (1109, 17040), (1136, 16635), (1420, 13308), (1704, 11090), (2130, 8872), (2218, 8520), (2840, 6654), (3327, 5680), (3408, 5545), (4260, 4436)]