81262980

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2467}}^1$

素因数の和:2546

約数の個数: 96

約数和(自身を含む): 257066880

約数和(自身を除く): 175803900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 61, 90, 108, 122, 135, 180, 183, 244, 270, 305, 366, 540, 549, 610, 732, 915, 1098, 1220, 1647, 1830, 2196, 2467, 2745, 3294, 3660, 4934, 5490, 6588, 7401, 8235, 9868, 10980, 12335, 14802, 16470, 22203, 24670, 29604, 32940, 37005, 44406, 49340, 66609, 74010, 88812, 111015, 133218, 148020, 150487, 222030, 266436, 300974, 333045, 444060, 451461, 601948, 666090, 752435, 902922, 1332180, 1354383, 1504870, 1805844, 2257305, 2708766, 3009740, 4063149, 4514610, 5417532, 6771915, 8126298, 9029220, 13543830, 16252596, 20315745, 27087660, 40631490, 81262980]

約数ペア:

[(1, 81262980), (2, 40631490), (3, 27087660), (4, 20315745), (5, 16252596), (6, 13543830), (9, 9029220), (10, 8126298), (12, 6771915), (15, 5417532), (18, 4514610), (20, 4063149), (27, 3009740), (30, 2708766), (36, 2257305), (45, 1805844), (54, 1504870), (60, 1354383), (61, 1332180), (90, 902922), (108, 752435), (122, 666090), (135, 601948), (180, 451461), (183, 444060), (244, 333045), (270, 300974), (305, 266436), (366, 222030), (540, 150487), (549, 148020), (610, 133218), (732, 111015), (915, 88812), (1098, 74010), (1220, 66609), (1647, 49340), (1830, 44406), (2196, 37005), (2467, 32940), (2745, 29604), (3294, 24670), (3660, 22203), (4934, 16470), (5490, 14802), (6588, 12335), (7401, 10980), (8235, 9868)]