80449040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{7561}}^1$

素因数の和:7600

約数の個数: 80

約数和(自身を含む): 225045120

約数和(自身を除く): 144596080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 190, 266, 280, 304, 380, 532, 560, 665, 760, 1064, 1330, 1520, 2128, 2660, 5320, 7561, 10640, 15122, 30244, 37805, 52927, 60488, 75610, 105854, 120976, 143659, 151220, 211708, 264635, 287318, 302440, 423416, 529270, 574636, 604880, 718295, 846832, 1005613, 1058540, 1149272, 1436590, 2011226, 2117080, 2298544, 2873180, 4022452, 4234160, 5028065, 5746360, 8044904, 10056130, 11492720, 16089808, 20112260, 40224520, 80449040]

約数ペア:

[(1, 80449040), (2, 40224520), (4, 20112260), (5, 16089808), (7, 11492720), (8, 10056130), (10, 8044904), (14, 5746360), (16, 5028065), (19, 4234160), (20, 4022452), (28, 2873180), (35, 2298544), (38, 2117080), (40, 2011226), (56, 1436590), (70, 1149272), (76, 1058540), (80, 1005613), (95, 846832), (112, 718295), (133, 604880), (140, 574636), (152, 529270), (190, 423416), (266, 302440), (280, 287318), (304, 264635), (380, 211708), (532, 151220), (560, 143659), (665, 120976), (760, 105854), (1064, 75610), (1330, 60488), (1520, 52927), (2128, 37805), (2660, 30244), (5320, 15122), (7561, 10640)]