72780240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23327}}^1$

素因数の和:23356

約数の個数: 80

約数和(自身を含む): 242984448

約数和(自身を除く): 170204208

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 23327, 46654, 69981, 93308, 116635, 139962, 186616, 233270, 279924, 303251, 349905, 373232, 466540, 559848, 606502, 699810, 909753, 933080, 1119696, 1213004, 1399620, 1516255, 1819506, 1866160, 2426008, 2799240, 3032510, 3639012, 4548765, 4852016, 5598480, 6065020, 7278024, 9097530, 12130040, 14556048, 18195060, 24260080, 36390120, 72780240]

約数ペア:

[(1, 72780240), (2, 36390120), (3, 24260080), (4, 18195060), (5, 14556048), (6, 12130040), (8, 9097530), (10, 7278024), (12, 6065020), (13, 5598480), (15, 4852016), (16, 4548765), (20, 3639012), (24, 3032510), (26, 2799240), (30, 2426008), (39, 1866160), (40, 1819506), (48, 1516255), (52, 1399620), (60, 1213004), (65, 1119696), (78, 933080), (80, 909753), (104, 699810), (120, 606502), (130, 559848), (156, 466540), (195, 373232), (208, 349905), (240, 303251), (260, 279924), (312, 233270), (390, 186616), (520, 139962), (624, 116635), (780, 93308), (1040, 69981), (1560, 46654), (3120, 23327)]