140506880

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3541}}^1$

素因数の和:3593

約数の個数: 72

約数和(自身を含む): 347512704

約数和(自身を除く): 207005824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 256, 310, 320, 496, 620, 640, 992, 1240, 1280, 1984, 2480, 3541, 3968, 4960, 7082, 7936, 9920, 14164, 17705, 19840, 28328, 35410, 39680, 56656, 70820, 109771, 113312, 141640, 219542, 226624, 283280, 439084, 453248, 548855, 566560, 878168, 906496, 1097710, 1133120, 1756336, 2195420, 2266240, 3512672, 4390840, 4532480, 7025344, 8781680, 14050688, 17563360, 28101376, 35126720, 70253440, 140506880]

約数ペア:

[(1, 140506880), (2, 70253440), (4, 35126720), (5, 28101376), (8, 17563360), (10, 14050688), (16, 8781680), (20, 7025344), (31, 4532480), (32, 4390840), (40, 3512672), (62, 2266240), (64, 2195420), (80, 1756336), (124, 1133120), (128, 1097710), (155, 906496), (160, 878168), (248, 566560), (256, 548855), (310, 453248), (320, 439084), (496, 283280), (620, 226624), (640, 219542), (992, 141640), (1240, 113312), (1280, 109771), (1984, 70820), (2480, 56656), (3541, 39680), (3968, 35410), (4960, 28328), (7082, 19840), (7936, 17705), (9920, 14164)]