61870720

素因数分解:

$2^7\times 5^1\times {\mathrm{277}}^1\times {\mathrm{349}}^1$

素因数の和:645

約数の個数: 64

約数和(自身を含む): 148869000

約数和(自身を除く): 86998280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 277, 320, 349, 554, 640, 698, 1108, 1385, 1396, 1745, 2216, 2770, 2792, 3490, 4432, 5540, 5584, 6980, 8864, 11080, 11168, 13960, 17728, 22160, 22336, 27920, 35456, 44320, 44672, 55840, 88640, 96673, 111680, 177280, 193346, 223360, 386692, 483365, 773384, 966730, 1546768, 1933460, 3093536, 3866920, 6187072, 7733840, 12374144, 15467680, 30935360, 61870720]

約数ペア:

[(1, 61870720), (2, 30935360), (4, 15467680), (5, 12374144), (8, 7733840), (10, 6187072), (16, 3866920), (20, 3093536), (32, 1933460), (40, 1546768), (64, 966730), (80, 773384), (128, 483365), (160, 386692), (277, 223360), (320, 193346), (349, 177280), (554, 111680), (640, 96673), (698, 88640), (1108, 55840), (1385, 44672), (1396, 44320), (1745, 35456), (2216, 27920), (2770, 22336), (2792, 22160), (3490, 17728), (4432, 13960), (5540, 11168), (5584, 11080), (6980, 8864)]