81253620

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1093}}^1$

素因数の和:1174

約数の個数: 144

約数和(自身を含む): 286715520

約数和(自身を除く): 205461900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 59, 60, 63, 70, 84, 90, 105, 118, 126, 140, 177, 180, 210, 236, 252, 295, 315, 354, 413, 420, 531, 590, 630, 708, 826, 885, 1062, 1093, 1180, 1239, 1260, 1652, 1770, 2065, 2124, 2186, 2478, 2655, 3279, 3540, 3717, 4130, 4372, 4956, 5310, 5465, 6195, 6558, 7434, 7651, 8260, 9837, 10620, 10930, 12390, 13116, 14868, 15302, 16395, 18585, 19674, 21860, 22953, 24780, 30604, 32790, 37170, 38255, 39348, 45906, 49185, 64487, 65580, 68859, 74340, 76510, 91812, 98370, 114765, 128974, 137718, 153020, 193461, 196740, 229530, 257948, 275436, 322435, 344295, 386922, 451409, 459060, 580383, 644870, 688590, 773844, 902818, 967305, 1160766, 1289740, 1354227, 1377180, 1805636, 1934610, 2257045, 2321532, 2708454, 2901915, 3869220, 4062681, 4514090, 5416908, 5803830, 6771135, 8125362, 9028180, 11607660, 13542270, 16250724, 20313405, 27084540, 40626810, 81253620]

約数ペア:

[(1, 81253620), (2, 40626810), (3, 27084540), (4, 20313405), (5, 16250724), (6, 13542270), (7, 11607660), (9, 9028180), (10, 8125362), (12, 6771135), (14, 5803830), (15, 5416908), (18, 4514090), (20, 4062681), (21, 3869220), (28, 2901915), (30, 2708454), (35, 2321532), (36, 2257045), (42, 1934610), (45, 1805636), (59, 1377180), (60, 1354227), (63, 1289740), (70, 1160766), (84, 967305), (90, 902818), (105, 773844), (118, 688590), (126, 644870), (140, 580383), (177, 459060), (180, 451409), (210, 386922), (236, 344295), (252, 322435), (295, 275436), (315, 257948), (354, 229530), (413, 196740), (420, 193461), (531, 153020), (590, 137718), (630, 128974), (708, 114765), (826, 98370), (885, 91812), (1062, 76510), (1093, 74340), (1180, 68859), (1239, 65580), (1260, 64487), (1652, 49185), (1770, 45906), (2065, 39348), (2124, 38255), (2186, 37170), (2478, 32790), (2655, 30604), (3279, 24780), (3540, 22953), (3717, 21860), (4130, 19674), (4372, 18585), (4956, 16395), (5310, 15302), (5465, 14868), (6195, 13116), (6558, 12390), (7434, 10930), (7651, 10620), (8260, 9837)]