31457790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:223

約数の個数: 192

約数和(自身を含む): 105670656

約数和(自身を除く): 74212866

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 23, 26, 30, 35, 39, 42, 45, 46, 63, 65, 69, 70, 78, 90, 91, 105, 115, 117, 126, 130, 138, 161, 167, 182, 195, 207, 210, 230, 234, 273, 299, 315, 322, 334, 345, 390, 414, 455, 483, 501, 546, 585, 598, 630, 690, 805, 819, 835, 897, 910, 966, 1002, 1035, 1169, 1170, 1365, 1449, 1495, 1503, 1610, 1638, 1670, 1794, 2070, 2093, 2171, 2338, 2415, 2505, 2691, 2730, 2898, 2990, 3006, 3507, 3841, 4095, 4186, 4342, 4485, 4830, 5010, 5382, 5845, 6279, 6513, 7014, 7245, 7515, 7682, 8190, 8970, 10465, 10521, 10855, 11523, 11690, 12558, 13026, 13455, 14490, 15030, 15197, 17535, 18837, 19205, 19539, 20930, 21042, 21710, 23046, 26887, 26910, 30394, 31395, 32565, 34569, 35070, 37674, 38410, 39078, 45591, 49933, 52605, 53774, 57615, 62790, 65130, 69138, 75985, 80661, 91182, 94185, 97695, 99866, 105210, 115230, 134435, 136773, 149799, 151970, 161322, 172845, 188370, 195390, 227955, 241983, 249665, 268870, 273546, 299598, 345690, 349531, 403305, 449397, 455910, 483966, 499330, 683865, 699062, 748995, 806610, 898794, 1048593, 1209915, 1367730, 1497990, 1747655, 2097186, 2246985, 2419830, 3145779, 3495310, 4493970, 5242965, 6291558, 10485930, 15728895, 31457790]

約数ペア:

[(1, 31457790), (2, 15728895), (3, 10485930), (5, 6291558), (6, 5242965), (7, 4493970), (9, 3495310), (10, 3145779), (13, 2419830), (14, 2246985), (15, 2097186), (18, 1747655), (21, 1497990), (23, 1367730), (26, 1209915), (30, 1048593), (35, 898794), (39, 806610), (42, 748995), (45, 699062), (46, 683865), (63, 499330), (65, 483966), (69, 455910), (70, 449397), (78, 403305), (90, 349531), (91, 345690), (105, 299598), (115, 273546), (117, 268870), (126, 249665), (130, 241983), (138, 227955), (161, 195390), (167, 188370), (182, 172845), (195, 161322), (207, 151970), (210, 149799), (230, 136773), (234, 134435), (273, 115230), (299, 105210), (315, 99866), (322, 97695), (334, 94185), (345, 91182), (390, 80661), (414, 75985), (455, 69138), (483, 65130), (501, 62790), (546, 57615), (585, 53774), (598, 52605), (630, 49933), (690, 45591), (805, 39078), (819, 38410), (835, 37674), (897, 35070), (910, 34569), (966, 32565), (1002, 31395), (1035, 30394), (1169, 26910), (1170, 26887), (1365, 23046), (1449, 21710), (1495, 21042), (1503, 20930), (1610, 19539), (1638, 19205), (1670, 18837), (1794, 17535), (2070, 15197), (2093, 15030), (2171, 14490), (2338, 13455), (2415, 13026), (2505, 12558), (2691, 11690), (2730, 11523), (2898, 10855), (2990, 10521), (3006, 10465), (3507, 8970), (3841, 8190), (4095, 7682), (4186, 7515), (4342, 7245), (4485, 7014), (4830, 6513), (5010, 6279), (5382, 5845)]