30913560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2057

約数の個数: 96

約数和(自身を含む): 102857040

約数和(自身を除く): 71943480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 43, 45, 60, 72, 86, 90, 120, 129, 172, 180, 215, 258, 344, 360, 387, 430, 516, 645, 774, 860, 1032, 1290, 1548, 1720, 1935, 1997, 2580, 3096, 3870, 3994, 5160, 5991, 7740, 7988, 9985, 11982, 15480, 15976, 17973, 19970, 23964, 29955, 35946, 39940, 47928, 59910, 71892, 79880, 85871, 89865, 119820, 143784, 171742, 179730, 239640, 257613, 343484, 359460, 429355, 515226, 686968, 718920, 772839, 858710, 1030452, 1288065, 1545678, 1717420, 2060904, 2576130, 3091356, 3434840, 3864195, 5152260, 6182712, 7728390, 10304520, 15456780, 30913560]

約数ペア:

[(1, 30913560), (2, 15456780), (3, 10304520), (4, 7728390), (5, 6182712), (6, 5152260), (8, 3864195), (9, 3434840), (10, 3091356), (12, 2576130), (15, 2060904), (18, 1717420), (20, 1545678), (24, 1288065), (30, 1030452), (36, 858710), (40, 772839), (43, 718920), (45, 686968), (60, 515226), (72, 429355), (86, 359460), (90, 343484), (120, 257613), (129, 239640), (172, 179730), (180, 171742), (215, 143784), (258, 119820), (344, 89865), (360, 85871), (387, 79880), (430, 71892), (516, 59910), (645, 47928), (774, 39940), (860, 35946), (1032, 29955), (1290, 23964), (1548, 19970), (1720, 17973), (1935, 15976), (1997, 15480), (2580, 11982), (3096, 9985), (3870, 7988), (3994, 7740), (5160, 5991)]