128609520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41221}}^1$

素因数の和:41250

約数の個数: 80

約数和(自身を含む): 429368352

約数和(自身を除く): 300758832

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, 312, 390, 520, 624, 780, 1040, 1560, 3120, 41221, 82442, 123663, 164884, 206105, 247326, 329768, 412210, 494652, 535873, 618315, 659536, 824420, 989304, 1071746, 1236630, 1607619, 1648840, 1978608, 2143492, 2473260, 2679365, 3215238, 3297680, 4286984, 4946520, 5358730, 6430476, 8038095, 8573968, 9893040, 10717460, 12860952, 16076190, 21434920, 25721904, 32152380, 42869840, 64304760, 128609520]

約数ペア:

[(1, 128609520), (2, 64304760), (3, 42869840), (4, 32152380), (5, 25721904), (6, 21434920), (8, 16076190), (10, 12860952), (12, 10717460), (13, 9893040), (15, 8573968), (16, 8038095), (20, 6430476), (24, 5358730), (26, 4946520), (30, 4286984), (39, 3297680), (40, 3215238), (48, 2679365), (52, 2473260), (60, 2143492), (65, 1978608), (78, 1648840), (80, 1607619), (104, 1236630), (120, 1071746), (130, 989304), (156, 824420), (195, 659536), (208, 618315), (240, 535873), (260, 494652), (312, 412210), (390, 329768), (520, 247326), (624, 206105), (780, 164884), (1040, 123663), (1560, 82442), (3120, 41221)]