2120990580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{181}}^1\times {\mathrm{65101}}^1$

素因数の和:65297

約数の個数: 72

約数和(自身を含む): 6469315944

約数和(自身を除く): 4348325364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 181, 362, 543, 724, 905, 1086, 1629, 1810, 2172, 2715, 3258, 3620, 5430, 6516, 8145, 10860, 16290, 32580, 65101, 130202, 195303, 260404, 325505, 390606, 585909, 651010, 781212, 976515, 1171818, 1302020, 1953030, 2343636, 2929545, 3906060, 5859090, 11718180, 11783281, 23566562, 35349843, 47133124, 58916405, 70699686, 106049529, 117832810, 141399372, 176749215, 212099058, 235665620, 353498430, 424198116, 530247645, 706996860, 1060495290, 2120990580]

約数ペア:

[(1, 2120990580), (2, 1060495290), (3, 706996860), (4, 530247645), (5, 424198116), (6, 353498430), (9, 235665620), (10, 212099058), (12, 176749215), (15, 141399372), (18, 117832810), (20, 106049529), (30, 70699686), (36, 58916405), (45, 47133124), (60, 35349843), (90, 23566562), (180, 11783281), (181, 11718180), (362, 5859090), (543, 3906060), (724, 2929545), (905, 2343636), (1086, 1953030), (1629, 1302020), (1810, 1171818), (2172, 976515), (2715, 781212), (3258, 651010), (3620, 585909), (5430, 390606), (6516, 325505), (8145, 260404), (10860, 195303), (16290, 130202), (32580, 65101)]