71982180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{17387}}^1$

素因数の和:17425

約数の個数: 72

約数和(自身を含む): 227852352

約数和(自身を除く): 155870172

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 17387, 34774, 52161, 69548, 86935, 104322, 156483, 173870, 208644, 260805, 312966, 347740, 399901, 521610, 625932, 782415, 799802, 1043220, 1199703, 1564830, 1599604, 1999505, 2399406, 3129660, 3599109, 3999010, 4798812, 5998515, 7198218, 7998020, 11997030, 14396436, 17995545, 23994060, 35991090, 71982180]

約数ペア:

[(1, 71982180), (2, 35991090), (3, 23994060), (4, 17995545), (5, 14396436), (6, 11997030), (9, 7998020), (10, 7198218), (12, 5998515), (15, 4798812), (18, 3999010), (20, 3599109), (23, 3129660), (30, 2399406), (36, 1999505), (45, 1599604), (46, 1564830), (60, 1199703), (69, 1043220), (90, 799802), (92, 782415), (115, 625932), (138, 521610), (180, 399901), (207, 347740), (230, 312966), (276, 260805), (345, 208644), (414, 173870), (460, 156483), (690, 104322), (828, 86935), (1035, 69548), (1380, 52161), (2070, 34774), (4140, 17387)]