120691720

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 277369920

約数和(自身を除く): 156678200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 163, 173, 214, 326, 346, 428, 535, 652, 692, 815, 856, 865, 1070, 1304, 1384, 1630, 1730, 2140, 3260, 3460, 4280, 6520, 6920, 17441, 18511, 28199, 34882, 37022, 56398, 69764, 74044, 87205, 92555, 112796, 139528, 140995, 148088, 174410, 185110, 225592, 281990, 348820, 370220, 563980, 697640, 740440, 1127960, 3017293, 6034586, 12069172, 15086465, 24138344, 30172930, 60345860, 120691720]

約数ペア:

[(1, 120691720), (2, 60345860), (4, 30172930), (5, 24138344), (8, 15086465), (10, 12069172), (20, 6034586), (40, 3017293), (107, 1127960), (163, 740440), (173, 697640), (214, 563980), (326, 370220), (346, 348820), (428, 281990), (535, 225592), (652, 185110), (692, 174410), (815, 148088), (856, 140995), (865, 139528), (1070, 112796), (1304, 92555), (1384, 87205), (1630, 74044), (1730, 69764), (2140, 56398), (3260, 37022), (3460, 34882), (4280, 28199), (6520, 18511), (6920, 17441)]