64015180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:251

約数の個数: 96

約数和(自身を含む): 151300800

約数和(自身を除く): 87285620

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 37, 38, 58, 74, 76, 95, 116, 145, 148, 157, 185, 190, 290, 314, 370, 380, 551, 580, 628, 703, 740, 785, 1073, 1102, 1406, 1570, 2146, 2204, 2755, 2812, 2983, 3140, 3515, 4292, 4553, 5365, 5510, 5809, 5966, 7030, 9106, 10730, 11020, 11618, 11932, 14060, 14915, 18212, 20387, 21460, 22765, 23236, 29045, 29830, 40774, 45530, 58090, 59660, 81548, 86507, 91060, 101935, 110371, 116180, 168461, 173014, 203870, 220742, 336922, 346028, 407740, 432535, 441484, 551855, 673844, 842305, 865070, 1103710, 1684610, 1730140, 2207420, 3200759, 3369220, 6401518, 12803036, 16003795, 32007590, 64015180]

約数ペア:

[(1, 64015180), (2, 32007590), (4, 16003795), (5, 12803036), (10, 6401518), (19, 3369220), (20, 3200759), (29, 2207420), (37, 1730140), (38, 1684610), (58, 1103710), (74, 865070), (76, 842305), (95, 673844), (116, 551855), (145, 441484), (148, 432535), (157, 407740), (185, 346028), (190, 336922), (290, 220742), (314, 203870), (370, 173014), (380, 168461), (551, 116180), (580, 110371), (628, 101935), (703, 91060), (740, 86507), (785, 81548), (1073, 59660), (1102, 58090), (1406, 45530), (1570, 40774), (2146, 29830), (2204, 29045), (2755, 23236), (2812, 22765), (2983, 21460), (3140, 20387), (3515, 18212), (4292, 14915), (4553, 14060), (5365, 11932), (5510, 11618), (5809, 11020), (5966, 10730), (7030, 9106)]