131866380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{631}}^1$

素因数の和:698

約数の個数: 144

約数和(自身を含む): 425128704

約数和(自身を除く): 293262324

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 43, 45, 54, 60, 81, 86, 90, 108, 129, 135, 162, 172, 180, 215, 243, 258, 270, 324, 387, 405, 430, 486, 516, 540, 631, 645, 774, 810, 860, 972, 1161, 1215, 1262, 1290, 1548, 1620, 1893, 1935, 2322, 2430, 2524, 2580, 3155, 3483, 3786, 3870, 4644, 4860, 5679, 5805, 6310, 6966, 7572, 7740, 9465, 10449, 11358, 11610, 12620, 13932, 17037, 17415, 18930, 20898, 22716, 23220, 27133, 28395, 34074, 34830, 37860, 41796, 51111, 52245, 54266, 56790, 68148, 69660, 81399, 85185, 102222, 104490, 108532, 113580, 135665, 153333, 162798, 170370, 204444, 208980, 244197, 255555, 271330, 306666, 325596, 340740, 406995, 488394, 511110, 542660, 613332, 732591, 766665, 813990, 976788, 1022220, 1220985, 1465182, 1533330, 1627980, 2197773, 2441970, 2930364, 3066660, 3662955, 4395546, 4883940, 6593319, 7325910, 8791092, 10988865, 13186638, 14651820, 21977730, 26373276, 32966595, 43955460, 65933190, 131866380]

約数ペア:

[(1, 131866380), (2, 65933190), (3, 43955460), (4, 32966595), (5, 26373276), (6, 21977730), (9, 14651820), (10, 13186638), (12, 10988865), (15, 8791092), (18, 7325910), (20, 6593319), (27, 4883940), (30, 4395546), (36, 3662955), (43, 3066660), (45, 2930364), (54, 2441970), (60, 2197773), (81, 1627980), (86, 1533330), (90, 1465182), (108, 1220985), (129, 1022220), (135, 976788), (162, 813990), (172, 766665), (180, 732591), (215, 613332), (243, 542660), (258, 511110), (270, 488394), (324, 406995), (387, 340740), (405, 325596), (430, 306666), (486, 271330), (516, 255555), (540, 244197), (631, 208980), (645, 204444), (774, 170370), (810, 162798), (860, 153333), (972, 135665), (1161, 113580), (1215, 108532), (1262, 104490), (1290, 102222), (1548, 85185), (1620, 81399), (1893, 69660), (1935, 68148), (2322, 56790), (2430, 54266), (2524, 52245), (2580, 51111), (3155, 41796), (3483, 37860), (3786, 34830), (3870, 34074), (4644, 28395), (4860, 27133), (5679, 23220), (5805, 22716), (6310, 20898), (6966, 18930), (7572, 17415), (7740, 17037), (9465, 13932), (10449, 12620), (11358, 11610)]