78680680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1823}}^1$

素因数の和:1930

約数の個数: 64

約数和(自身を含む): 193052160

約数和(自身を除く): 114371480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 260, 332, 415, 520, 664, 830, 1079, 1660, 1823, 2158, 3320, 3646, 4316, 5395, 7292, 8632, 9115, 10790, 14584, 18230, 21580, 23699, 36460, 43160, 47398, 72920, 94796, 118495, 151309, 189592, 236990, 302618, 473980, 605236, 756545, 947960, 1210472, 1513090, 1967017, 3026180, 3934034, 6052360, 7868068, 9835085, 15736136, 19670170, 39340340, 78680680]

約数ペア:

[(1, 78680680), (2, 39340340), (4, 19670170), (5, 15736136), (8, 9835085), (10, 7868068), (13, 6052360), (20, 3934034), (26, 3026180), (40, 1967017), (52, 1513090), (65, 1210472), (83, 947960), (104, 756545), (130, 605236), (166, 473980), (260, 302618), (332, 236990), (415, 189592), (520, 151309), (664, 118495), (830, 94796), (1079, 72920), (1660, 47398), (1823, 43160), (2158, 36460), (3320, 23699), (3646, 21580), (4316, 18230), (5395, 14584), (7292, 10790), (8632, 9115)]