29781660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6991}}^1$

素因数の和:7074

約数の個数: 48

約数和(自身を含む): 84575232

約数和(自身を除く): 54793572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 6991, 13982, 20973, 27964, 34955, 41946, 69910, 83892, 104865, 139820, 209730, 419460, 496361, 992722, 1489083, 1985444, 2481805, 2978166, 4963610, 5956332, 7445415, 9927220, 14890830, 29781660]

約数ペア:

[(1, 29781660), (2, 14890830), (3, 9927220), (4, 7445415), (5, 5956332), (6, 4963610), (10, 2978166), (12, 2481805), (15, 1985444), (20, 1489083), (30, 992722), (60, 496361), (71, 419460), (142, 209730), (213, 139820), (284, 104865), (355, 83892), (426, 69910), (710, 41946), (852, 34955), (1065, 27964), (1420, 20973), (2130, 13982), (4260, 6991)]