31502495920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{283}}^1\times {\mathrm{389}}^1$

素因数の和:772

約数の個数: 240

約数和(自身を含む): 86896536480

約数和(自身を除く): 55394040560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 73, 80, 98, 112, 140, 146, 196, 245, 280, 283, 292, 365, 389, 392, 490, 511, 560, 566, 584, 730, 778, 784, 980, 1022, 1132, 1168, 1415, 1460, 1556, 1945, 1960, 1981, 2044, 2264, 2555, 2723, 2830, 2920, 3112, 3577, 3890, 3920, 3962, 4088, 4528, 5110, 5446, 5660, 5840, 6224, 7154, 7780, 7924, 8176, 9905, 10220, 10892, 11320, 13615, 13867, 14308, 15560, 15848, 17885, 19061, 19810, 20440, 20659, 21784, 22640, 27230, 27734, 28397, 28616, 31120, 31696, 35770, 38122, 39620, 40880, 41318, 43568, 54460, 55468, 56794, 57232, 69335, 71540, 76244, 79240, 82636, 95305, 103295, 108920, 110087, 110936, 113588, 138670, 141985, 143080, 144613, 152488, 158480, 165272, 190610, 198779, 206590, 217840, 220174, 221872, 227176, 277340, 283970, 286160, 289226, 304976, 330544, 381220, 397558, 413180, 440348, 454352, 550435, 554680, 567940, 578452, 723065, 762440, 770609, 795116, 826360, 880696, 993895, 1012291, 1100870, 1109360, 1135880, 1156904, 1391453, 1446130, 1524880, 1541218, 1590232, 1652720, 1761392, 1987790, 2024582, 2201740, 2271760, 2313808, 2782906, 2892260, 3082436, 3180464, 3853045, 3975580, 4049164, 4403480, 5061455, 5394263, 5565812, 5784520, 6164872, 6957265, 7706090, 7951160, 8036351, 8098328, 8806960, 10122910, 10788526, 11131624, 11569040, 12329744, 13914530, 15412180, 15902320, 16072702, 16196656, 20245820, 21577052, 22263248, 26971315, 27829060, 30824360, 32145404, 40181755, 40491640, 43154104, 53942630, 55658120, 56254457, 61648720, 64290808, 80363510, 80983280, 86308208, 107885260, 111316240, 112508914, 128581616, 160727020, 215770520, 225017828, 281272285, 321454040, 393781199, 431541040, 450035656, 562544570, 642908080, 787562398, 900071312, 1125089140, 1575124796, 1968905995, 2250178280, 3150249592, 3937811990, 4500356560, 6300499184, 7875623980, 15751247960, 31502495920]

約数ペア:

[(1, 31502495920), (2, 15751247960), (4, 7875623980), (5, 6300499184), (7, 4500356560), (8, 3937811990), (10, 3150249592), (14, 2250178280), (16, 1968905995), (20, 1575124796), (28, 1125089140), (35, 900071312), (40, 787562398), (49, 642908080), (56, 562544570), (70, 450035656), (73, 431541040), (80, 393781199), (98, 321454040), (112, 281272285), (140, 225017828), (146, 215770520), (196, 160727020), (245, 128581616), (280, 112508914), (283, 111316240), (292, 107885260), (365, 86308208), (389, 80983280), (392, 80363510), (490, 64290808), (511, 61648720), (560, 56254457), (566, 55658120), (584, 53942630), (730, 43154104), (778, 40491640), (784, 40181755), (980, 32145404), (1022, 30824360), (1132, 27829060), (1168, 26971315), (1415, 22263248), (1460, 21577052), (1556, 20245820), (1945, 16196656), (1960, 16072702), (1981, 15902320), (2044, 15412180), (2264, 13914530), (2555, 12329744), (2723, 11569040), (2830, 11131624), (2920, 10788526), (3112, 10122910), (3577, 8806960), (3890, 8098328), (3920, 8036351), (3962, 7951160), (4088, 7706090), (4528, 6957265), (5110, 6164872), (5446, 5784520), (5660, 5565812), (5840, 5394263), (6224, 5061455), (7154, 4403480), (7780, 4049164), (7924, 3975580), (8176, 3853045), (9905, 3180464), (10220, 3082436), (10892, 2892260), (11320, 2782906), (13615, 2313808), (13867, 2271760), (14308, 2201740), (15560, 2024582), (15848, 1987790), (17885, 1761392), (19061, 1652720), (19810, 1590232), (20440, 1541218), (20659, 1524880), (21784, 1446130), (22640, 1391453), (27230, 1156904), (27734, 1135880), (28397, 1109360), (28616, 1100870), (31120, 1012291), (31696, 993895), (35770, 880696), (38122, 826360), (39620, 795116), (40880, 770609), (41318, 762440), (43568, 723065), (54460, 578452), (55468, 567940), (56794, 554680), (57232, 550435), (69335, 454352), (71540, 440348), (76244, 413180), (79240, 397558), (82636, 381220), (95305, 330544), (103295, 304976), (108920, 289226), (110087, 286160), (110936, 283970), (113588, 277340), (138670, 227176), (141985, 221872), (143080, 220174), (144613, 217840), (152488, 206590), (158480, 198779), (165272, 190610)]