39181140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1997}}^1$

素因数の和:2121

約数の個数: 72

約数和(自身を含む): 119999880

約数和(自身を除く): 80818740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 1997, 2180, 3270, 3924, 3994, 4905, 5991, 6540, 7988, 9810, 9985, 11982, 17973, 19620, 19970, 23964, 29955, 35946, 39940, 59910, 71892, 89865, 119820, 179730, 217673, 359460, 435346, 653019, 870692, 1088365, 1306038, 1959057, 2176730, 2612076, 3265095, 3918114, 4353460, 6530190, 7836228, 9795285, 13060380, 19590570, 39181140]

約数ペア:

[(1, 39181140), (2, 19590570), (3, 13060380), (4, 9795285), (5, 7836228), (6, 6530190), (9, 4353460), (10, 3918114), (12, 3265095), (15, 2612076), (18, 2176730), (20, 1959057), (30, 1306038), (36, 1088365), (45, 870692), (60, 653019), (90, 435346), (109, 359460), (180, 217673), (218, 179730), (327, 119820), (436, 89865), (545, 71892), (654, 59910), (981, 39940), (1090, 35946), (1308, 29955), (1635, 23964), (1962, 19970), (1997, 19620), (2180, 17973), (3270, 11982), (3924, 9985), (3994, 9810), (4905, 7988), (5991, 6540)]