7251920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 19165440

約数和(自身を除く): 11913520

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, 367, 380, 494, 520, 734, 760, 988, 1040, 1235, 1468, 1520, 1835, 1976, 2470, 2936, 3670, 3952, 4771, 4940, 5872, 6973, 7340, 9542, 9880, 13946, 14680, 19084, 19760, 23855, 27892, 29360, 34865, 38168, 47710, 55784, 69730, 76336, 90649, 95420, 111568, 139460, 181298, 190840, 278920, 362596, 381680, 453245, 557840, 725192, 906490, 1450384, 1812980, 3625960, 7251920]

約数ペア:

[(1, 7251920), (2, 3625960), (4, 1812980), (5, 1450384), (8, 906490), (10, 725192), (13, 557840), (16, 453245), (19, 381680), (20, 362596), (26, 278920), (38, 190840), (40, 181298), (52, 139460), (65, 111568), (76, 95420), (80, 90649), (95, 76336), (104, 69730), (130, 55784), (152, 47710), (190, 38168), (208, 34865), (247, 29360), (260, 27892), (304, 23855), (367, 19760), (380, 19084), (494, 14680), (520, 13946), (734, 9880), (760, 9542), (988, 7340), (1040, 6973), (1235, 5872), (1468, 4940), (1520, 4771), (1835, 3952), (1976, 3670), (2470, 2936)]