80443720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15121}}^1$

素因数の和:15158

約数の個数: 64

約数和(自身を含む): 217756800

約数和(自身を除く): 137313080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 15121, 30242, 60484, 75605, 105847, 120968, 151210, 211694, 287299, 302420, 423388, 529235, 574598, 604840, 846776, 1058470, 1149196, 1436495, 2011093, 2116940, 2298392, 2872990, 4022186, 4233880, 5745980, 8044372, 10055465, 11491960, 16088744, 20110930, 40221860, 80443720]

約数ペア:

[(1, 80443720), (2, 40221860), (4, 20110930), (5, 16088744), (7, 11491960), (8, 10055465), (10, 8044372), (14, 5745980), (19, 4233880), (20, 4022186), (28, 2872990), (35, 2298392), (38, 2116940), (40, 2011093), (56, 1436495), (70, 1149196), (76, 1058470), (95, 846776), (133, 604840), (140, 574598), (152, 529235), (190, 423388), (266, 302420), (280, 287299), (380, 211694), (532, 151210), (665, 120968), (760, 105847), (1064, 75605), (1330, 60484), (2660, 30242), (5320, 15121)]