15615340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 38808000

約数和(自身を除く): 23192660

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 29, 38, 52, 58, 65, 76, 95, 109, 116, 130, 145, 190, 218, 247, 260, 290, 377, 380, 436, 494, 545, 551, 580, 754, 988, 1090, 1102, 1235, 1417, 1508, 1885, 2071, 2180, 2204, 2470, 2755, 2834, 3161, 3770, 4142, 4940, 5510, 5668, 6322, 7085, 7163, 7540, 8284, 10355, 11020, 12644, 14170, 14326, 15805, 20710, 26923, 28340, 28652, 31610, 35815, 41093, 41420, 53846, 60059, 63220, 71630, 82186, 107692, 120118, 134615, 143260, 164372, 205465, 240236, 269230, 300295, 410930, 538460, 600590, 780767, 821860, 1201180, 1561534, 3123068, 3903835, 7807670, 15615340]

約数ペア:

[(1, 15615340), (2, 7807670), (4, 3903835), (5, 3123068), (10, 1561534), (13, 1201180), (19, 821860), (20, 780767), (26, 600590), (29, 538460), (38, 410930), (52, 300295), (58, 269230), (65, 240236), (76, 205465), (95, 164372), (109, 143260), (116, 134615), (130, 120118), (145, 107692), (190, 82186), (218, 71630), (247, 63220), (260, 60059), (290, 53846), (377, 41420), (380, 41093), (436, 35815), (494, 31610), (545, 28652), (551, 28340), (580, 26923), (754, 20710), (988, 15805), (1090, 14326), (1102, 14170), (1235, 12644), (1417, 11020), (1508, 10355), (1885, 8284), (2071, 7540), (2180, 7163), (2204, 7085), (2470, 6322), (2755, 5668), (2834, 5510), (3161, 4940), (3770, 4142)]