345113080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{271}}^1$

素因数の和:405

約数の個数: 128

約数和(自身を含む): 877363200

約数和(自身を除く): 532250120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 79, 104, 124, 130, 155, 158, 248, 260, 271, 310, 316, 395, 403, 520, 542, 620, 632, 790, 806, 1027, 1084, 1240, 1355, 1580, 1612, 2015, 2054, 2168, 2449, 2710, 3160, 3224, 3523, 4030, 4108, 4898, 5135, 5420, 7046, 8060, 8216, 8401, 9796, 10270, 10840, 12245, 14092, 16120, 16802, 17615, 19592, 20540, 21409, 24490, 28184, 31837, 33604, 35230, 41080, 42005, 42818, 48980, 63674, 67208, 70460, 84010, 85636, 97960, 107045, 109213, 127348, 140920, 159185, 168020, 171272, 214090, 218426, 254696, 278317, 318370, 336040, 428180, 436852, 546065, 556634, 636740, 663679, 856360, 873704, 1092130, 1113268, 1273480, 1327358, 1391585, 2184260, 2226536, 2654716, 2783170, 3318395, 4368520, 5309432, 5566340, 6636790, 8627827, 11132680, 13273580, 17255654, 26547160, 34511308, 43139135, 69022616, 86278270, 172556540, 345113080]

約数ペア:

[(1, 345113080), (2, 172556540), (4, 86278270), (5, 69022616), (8, 43139135), (10, 34511308), (13, 26547160), (20, 17255654), (26, 13273580), (31, 11132680), (40, 8627827), (52, 6636790), (62, 5566340), (65, 5309432), (79, 4368520), (104, 3318395), (124, 2783170), (130, 2654716), (155, 2226536), (158, 2184260), (248, 1391585), (260, 1327358), (271, 1273480), (310, 1113268), (316, 1092130), (395, 873704), (403, 856360), (520, 663679), (542, 636740), (620, 556634), (632, 546065), (790, 436852), (806, 428180), (1027, 336040), (1084, 318370), (1240, 278317), (1355, 254696), (1580, 218426), (1612, 214090), (2015, 171272), (2054, 168020), (2168, 159185), (2449, 140920), (2710, 127348), (3160, 109213), (3224, 107045), (3523, 97960), (4030, 85636), (4108, 84010), (4898, 70460), (5135, 67208), (5420, 63674), (7046, 48980), (8060, 42818), (8216, 42005), (8401, 41080), (9796, 35230), (10270, 33604), (10840, 31837), (12245, 28184), (14092, 24490), (16120, 21409), (16802, 20540), (17615, 19592)]