42108640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:201

約数の個数: 144

約数和(自身を含む): 119451024

約数和(自身を除く): 77342384

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 41, 49, 56, 70, 80, 82, 98, 112, 131, 140, 160, 164, 196, 205, 224, 245, 262, 280, 287, 328, 392, 410, 490, 524, 560, 574, 655, 656, 784, 820, 917, 980, 1048, 1120, 1148, 1310, 1312, 1435, 1568, 1640, 1834, 1960, 2009, 2096, 2296, 2620, 2870, 3280, 3668, 3920, 4018, 4192, 4585, 4592, 5240, 5371, 5740, 6419, 6560, 7336, 7840, 8036, 9170, 9184, 10045, 10480, 10742, 11480, 12838, 14672, 16072, 18340, 20090, 20960, 21484, 22960, 25676, 26855, 29344, 32095, 32144, 36680, 37597, 40180, 42968, 45920, 51352, 53710, 64190, 64288, 73360, 75194, 80360, 85936, 102704, 107420, 128380, 146720, 150388, 160720, 171872, 187985, 205408, 214840, 256760, 263179, 300776, 321440, 375970, 429680, 513520, 526358, 601552, 751940, 859360, 1027040, 1052716, 1203104, 1315895, 1503880, 2105432, 2631790, 3007760, 4210864, 5263580, 6015520, 8421728, 10527160, 21054320, 42108640]

約数ペア:

[(1, 42108640), (2, 21054320), (4, 10527160), (5, 8421728), (7, 6015520), (8, 5263580), (10, 4210864), (14, 3007760), (16, 2631790), (20, 2105432), (28, 1503880), (32, 1315895), (35, 1203104), (40, 1052716), (41, 1027040), (49, 859360), (56, 751940), (70, 601552), (80, 526358), (82, 513520), (98, 429680), (112, 375970), (131, 321440), (140, 300776), (160, 263179), (164, 256760), (196, 214840), (205, 205408), (224, 187985), (245, 171872), (262, 160720), (280, 150388), (287, 146720), (328, 128380), (392, 107420), (410, 102704), (490, 85936), (524, 80360), (560, 75194), (574, 73360), (655, 64288), (656, 64190), (784, 53710), (820, 51352), (917, 45920), (980, 42968), (1048, 40180), (1120, 37597), (1148, 36680), (1310, 32144), (1312, 32095), (1435, 29344), (1568, 26855), (1640, 25676), (1834, 22960), (1960, 21484), (2009, 20960), (2096, 20090), (2296, 18340), (2620, 16072), (2870, 14672), (3280, 12838), (3668, 11480), (3920, 10742), (4018, 10480), (4192, 10045), (4585, 9184), (4592, 9170), (5240, 8036), (5371, 7840), (5740, 7336), (6419, 6560)]