81465020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2633}}^1$

素因数の和:2679

約数の個数: 96

約数和(自身を含む): 223026048

約数和(自身を除く): 141561028

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 2633, 3094, 4420, 5266, 6188, 7735, 10532, 13165, 15470, 18431, 26330, 30940, 34229, 36862, 44761, 52660, 68458, 73724, 89522, 92155, 136916, 171145, 179044, 184310, 223805, 239603, 313327, 342290, 368620, 447610, 479206, 581893, 626654, 684580, 895220, 958412, 1163786, 1198015, 1253308, 1566635, 2327572, 2396030, 2909465, 3133270, 4073251, 4792060, 5818930, 6266540, 8146502, 11637860, 16293004, 20366255, 40732510, 81465020]

約数ペア:

[(1, 81465020), (2, 40732510), (4, 20366255), (5, 16293004), (7, 11637860), (10, 8146502), (13, 6266540), (14, 5818930), (17, 4792060), (20, 4073251), (26, 3133270), (28, 2909465), (34, 2396030), (35, 2327572), (52, 1566635), (65, 1253308), (68, 1198015), (70, 1163786), (85, 958412), (91, 895220), (119, 684580), (130, 626654), (140, 581893), (170, 479206), (182, 447610), (221, 368620), (238, 342290), (260, 313327), (340, 239603), (364, 223805), (442, 184310), (455, 179044), (476, 171145), (595, 136916), (884, 92155), (910, 89522), (1105, 73724), (1190, 68458), (1547, 52660), (1820, 44761), (2210, 36862), (2380, 34229), (2633, 30940), (3094, 26330), (4420, 18431), (5266, 15470), (6188, 13165), (7735, 10532)]