71878590

素因数分解:

$2^1\times 3^4\times 5^1\times 7^2\times {\mathrm{1811}}^1$

素因数の和:1844

約数の個数: 120

約数和(自身を含む): 224952552

約数和(自身を除く): 153073962

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 49, 54, 63, 70, 81, 90, 98, 105, 126, 135, 147, 162, 189, 210, 245, 270, 294, 315, 378, 405, 441, 490, 567, 630, 735, 810, 882, 945, 1134, 1323, 1470, 1811, 1890, 2205, 2646, 2835, 3622, 3969, 4410, 5433, 5670, 6615, 7938, 9055, 10866, 12677, 13230, 16299, 18110, 19845, 25354, 27165, 32598, 38031, 39690, 48897, 54330, 63385, 76062, 81495, 88739, 97794, 114093, 126770, 146691, 162990, 177478, 190155, 228186, 244485, 266217, 293382, 342279, 380310, 443695, 488970, 532434, 570465, 684558, 733455, 798651, 887390, 1026837, 1140930, 1331085, 1466910, 1597302, 1711395, 2053674, 2395953, 2662170, 3422790, 3993255, 4791906, 5134185, 7187859, 7986510, 10268370, 11979765, 14375718, 23959530, 35939295, 71878590]

約数ペア:

[(1, 71878590), (2, 35939295), (3, 23959530), (5, 14375718), (6, 11979765), (7, 10268370), (9, 7986510), (10, 7187859), (14, 5134185), (15, 4791906), (18, 3993255), (21, 3422790), (27, 2662170), (30, 2395953), (35, 2053674), (42, 1711395), (45, 1597302), (49, 1466910), (54, 1331085), (63, 1140930), (70, 1026837), (81, 887390), (90, 798651), (98, 733455), (105, 684558), (126, 570465), (135, 532434), (147, 488970), (162, 443695), (189, 380310), (210, 342279), (245, 293382), (270, 266217), (294, 244485), (315, 228186), (378, 190155), (405, 177478), (441, 162990), (490, 146691), (567, 126770), (630, 114093), (735, 97794), (810, 88739), (882, 81495), (945, 76062), (1134, 63385), (1323, 54330), (1470, 48897), (1811, 39690), (1890, 38031), (2205, 32598), (2646, 27165), (2835, 25354), (3622, 19845), (3969, 18110), (4410, 16299), (5433, 13230), (5670, 12677), (6615, 10866), (7938, 9055)]