31263960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:450

約数の個数: 192

約数和(自身を含む): 117784800

約数和(自身を除く): 86520840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 409, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 818, 840, 910, 980, 1092, 1176, 1227, 1274, 1365, 1470, 1560, 1636, 1820, 1911, 1960, 2045, 2184, 2454, 2548, 2730, 2863, 2940, 3185, 3272, 3640, 3822, 4090, 4908, 5096, 5317, 5460, 5726, 5880, 6135, 6370, 7644, 8180, 8589, 9555, 9816, 10634, 10920, 11452, 12270, 12740, 14315, 15288, 15951, 16360, 17178, 19110, 20041, 21268, 22904, 24540, 25480, 26585, 28630, 31902, 34356, 37219, 38220, 40082, 42536, 42945, 49080, 53170, 57260, 60123, 63804, 68712, 74438, 76440, 79755, 80164, 85890, 100205, 106340, 111657, 114520, 120246, 127608, 148876, 159510, 160328, 171780, 186095, 200410, 212680, 223314, 240492, 260533, 297752, 300615, 319020, 343560, 372190, 400820, 446628, 480984, 521066, 558285, 601230, 638040, 744380, 781599, 801640, 893256, 1042132, 1116570, 1202460, 1302665, 1488760, 1563198, 2084264, 2233140, 2404920, 2605330, 3126396, 3907995, 4466280, 5210660, 6252792, 7815990, 10421320, 15631980, 31263960]

約数ペア:

[(1, 31263960), (2, 15631980), (3, 10421320), (4, 7815990), (5, 6252792), (6, 5210660), (7, 4466280), (8, 3907995), (10, 3126396), (12, 2605330), (13, 2404920), (14, 2233140), (15, 2084264), (20, 1563198), (21, 1488760), (24, 1302665), (26, 1202460), (28, 1116570), (30, 1042132), (35, 893256), (39, 801640), (40, 781599), (42, 744380), (49, 638040), (52, 601230), (56, 558285), (60, 521066), (65, 480984), (70, 446628), (78, 400820), (84, 372190), (91, 343560), (98, 319020), (104, 300615), (105, 297752), (120, 260533), (130, 240492), (140, 223314), (147, 212680), (156, 200410), (168, 186095), (182, 171780), (195, 160328), (196, 159510), (210, 148876), (245, 127608), (260, 120246), (273, 114520), (280, 111657), (294, 106340), (312, 100205), (364, 85890), (390, 80164), (392, 79755), (409, 76440), (420, 74438), (455, 68712), (490, 63804), (520, 60123), (546, 57260), (588, 53170), (637, 49080), (728, 42945), (735, 42536), (780, 40082), (818, 38220), (840, 37219), (910, 34356), (980, 31902), (1092, 28630), (1176, 26585), (1227, 25480), (1274, 24540), (1365, 22904), (1470, 21268), (1560, 20041), (1636, 19110), (1820, 17178), (1911, 16360), (1960, 15951), (2045, 15288), (2184, 14315), (2454, 12740), (2548, 12270), (2730, 11452), (2863, 10920), (2940, 10634), (3185, 9816), (3272, 9555), (3640, 8589), (3822, 8180), (4090, 7644), (4908, 6370), (5096, 6135), (5317, 5880), (5460, 5726)]