156637520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7927}}^1$

素因数の和:7972

約数の個数: 80

約数和(自身を含む): 412890240

約数和(自身を除く): 256252720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 7927, 9880, 15854, 19760, 31708, 39635, 63416, 79270, 103051, 126832, 150613, 158540, 206102, 301226, 317080, 412204, 515255, 602452, 634160, 753065, 824408, 1030510, 1204904, 1506130, 1648816, 1957969, 2061020, 2409808, 3012260, 3915938, 4122040, 6024520, 7831876, 8244080, 9789845, 12049040, 15663752, 19579690, 31327504, 39159380, 78318760, 156637520]

約数ペア:

[(1, 156637520), (2, 78318760), (4, 39159380), (5, 31327504), (8, 19579690), (10, 15663752), (13, 12049040), (16, 9789845), (19, 8244080), (20, 7831876), (26, 6024520), (38, 4122040), (40, 3915938), (52, 3012260), (65, 2409808), (76, 2061020), (80, 1957969), (95, 1648816), (104, 1506130), (130, 1204904), (152, 1030510), (190, 824408), (208, 753065), (247, 634160), (260, 602452), (304, 515255), (380, 412204), (494, 317080), (520, 301226), (760, 206102), (988, 158540), (1040, 150613), (1235, 126832), (1520, 103051), (1976, 79270), (2470, 63416), (3952, 39635), (4940, 31708), (7927, 19760), (9880, 15854)]