638049360

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{15731}}^1$

素因数の和:15773

約数の個数: 120

約数和(自身を含む): 2141943264

約数和(自身を除く): 1503893904

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, 169, 195, 208, 240, 260, 312, 338, 390, 507, 520, 624, 676, 780, 845, 1014, 1040, 1352, 1560, 1690, 2028, 2535, 2704, 3120, 3380, 4056, 5070, 6760, 8112, 10140, 13520, 15731, 20280, 31462, 40560, 47193, 62924, 78655, 94386, 125848, 157310, 188772, 204503, 235965, 251696, 314620, 377544, 409006, 471930, 613509, 629240, 755088, 818012, 943860, 1022515, 1227018, 1258480, 1636024, 1887720, 2045030, 2454036, 2658539, 3067545, 3272048, 3775440, 4090060, 4908072, 5317078, 6135090, 7975617, 8180120, 9816144, 10634156, 12270180, 13292695, 15951234, 16360240, 21268312, 24540360, 26585390, 31902468, 39878085, 42536624, 49080720, 53170780, 63804936, 79756170, 106341560, 127609872, 159512340, 212683120, 319024680, 638049360]

約数ペア:

[(1, 638049360), (2, 319024680), (3, 212683120), (4, 159512340), (5, 127609872), (6, 106341560), (8, 79756170), (10, 63804936), (12, 53170780), (13, 49080720), (15, 42536624), (16, 39878085), (20, 31902468), (24, 26585390), (26, 24540360), (30, 21268312), (39, 16360240), (40, 15951234), (48, 13292695), (52, 12270180), (60, 10634156), (65, 9816144), (78, 8180120), (80, 7975617), (104, 6135090), (120, 5317078), (130, 4908072), (156, 4090060), (169, 3775440), (195, 3272048), (208, 3067545), (240, 2658539), (260, 2454036), (312, 2045030), (338, 1887720), (390, 1636024), (507, 1258480), (520, 1227018), (624, 1022515), (676, 943860), (780, 818012), (845, 755088), (1014, 629240), (1040, 613509), (1352, 471930), (1560, 409006), (1690, 377544), (2028, 314620), (2535, 251696), (2704, 235965), (3120, 204503), (3380, 188772), (4056, 157310), (5070, 125848), (6760, 94386), (8112, 78655), (10140, 62924), (13520, 47193), (15731, 40560), (20280, 31462)]