39983940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{1163}}^1$

素因数の和:1369

約数の個数: 72

約数和(自身を含む): 122024448

約数和(自身を除く): 82040508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 191, 382, 573, 764, 955, 1146, 1163, 1719, 1910, 2292, 2326, 2865, 3438, 3489, 3820, 4652, 5730, 5815, 6876, 6978, 8595, 10467, 11460, 11630, 13956, 17190, 17445, 20934, 23260, 34380, 34890, 41868, 52335, 69780, 104670, 209340, 222133, 444266, 666399, 888532, 1110665, 1332798, 1999197, 2221330, 2665596, 3331995, 3998394, 4442660, 6663990, 7996788, 9995985, 13327980, 19991970, 39983940]

約数ペア:

[(1, 39983940), (2, 19991970), (3, 13327980), (4, 9995985), (5, 7996788), (6, 6663990), (9, 4442660), (10, 3998394), (12, 3331995), (15, 2665596), (18, 2221330), (20, 1999197), (30, 1332798), (36, 1110665), (45, 888532), (60, 666399), (90, 444266), (180, 222133), (191, 209340), (382, 104670), (573, 69780), (764, 52335), (955, 41868), (1146, 34890), (1163, 34380), (1719, 23260), (1910, 20934), (2292, 17445), (2326, 17190), (2865, 13956), (3438, 11630), (3489, 11460), (3820, 10467), (4652, 8595), (5730, 6978), (5815, 6876)]