15999140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:692

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 19925980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 593, 710, 1186, 1349, 1420, 2372, 2698, 2965, 5396, 5930, 6745, 11267, 11860, 13490, 22534, 26980, 42103, 45068, 56335, 84206, 112670, 168412, 210515, 225340, 421030, 799957, 842060, 1599914, 3199828, 3999785, 7999570, 15999140]

約数ペア:

[(1, 15999140), (2, 7999570), (4, 3999785), (5, 3199828), (10, 1599914), (19, 842060), (20, 799957), (38, 421030), (71, 225340), (76, 210515), (95, 168412), (142, 112670), (190, 84206), (284, 56335), (355, 45068), (380, 42103), (593, 26980), (710, 22534), (1186, 13490), (1349, 11860), (1420, 11267), (2372, 6745), (2698, 5930), (2965, 5396)]