287282580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^2$

素因数の和:274

約数の個数: 144

約数和(自身を含む): 902490624

約数和(自身を除く): 615208044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 109, 124, 130, 155, 156, 186, 195, 218, 260, 310, 327, 372, 390, 403, 436, 465, 545, 620, 654, 780, 806, 930, 1090, 1209, 1308, 1417, 1612, 1635, 1860, 2015, 2180, 2418, 2834, 3270, 3379, 4030, 4251, 4836, 5668, 6045, 6540, 6758, 7085, 8060, 8502, 10137, 11881, 12090, 13516, 14170, 16895, 17004, 20274, 21255, 23762, 24180, 28340, 33790, 35643, 40548, 42510, 43927, 47524, 50685, 59405, 67580, 71286, 85020, 87854, 101370, 118810, 131781, 142572, 154453, 175708, 178215, 202740, 219635, 237620, 263562, 308906, 356430, 368311, 439270, 463359, 527124, 617812, 658905, 712860, 736622, 772265, 878540, 926718, 1104933, 1317810, 1473244, 1544530, 1841555, 1853436, 2209866, 2316795, 2635620, 3089060, 3683110, 4419732, 4633590, 4788043, 5524665, 7366220, 9267180, 9576086, 11049330, 14364129, 19152172, 22098660, 23940215, 28728258, 47880430, 57456516, 71820645, 95760860, 143641290, 287282580]

約数ペア:

[(1, 287282580), (2, 143641290), (3, 95760860), (4, 71820645), (5, 57456516), (6, 47880430), (10, 28728258), (12, 23940215), (13, 22098660), (15, 19152172), (20, 14364129), (26, 11049330), (30, 9576086), (31, 9267180), (39, 7366220), (52, 5524665), (60, 4788043), (62, 4633590), (65, 4419732), (78, 3683110), (93, 3089060), (109, 2635620), (124, 2316795), (130, 2209866), (155, 1853436), (156, 1841555), (186, 1544530), (195, 1473244), (218, 1317810), (260, 1104933), (310, 926718), (327, 878540), (372, 772265), (390, 736622), (403, 712860), (436, 658905), (465, 617812), (545, 527124), (620, 463359), (654, 439270), (780, 368311), (806, 356430), (930, 308906), (1090, 263562), (1209, 237620), (1308, 219635), (1417, 202740), (1612, 178215), (1635, 175708), (1860, 154453), (2015, 142572), (2180, 131781), (2418, 118810), (2834, 101370), (3270, 87854), (3379, 85020), (4030, 71286), (4251, 67580), (4836, 59405), (5668, 50685), (6045, 47524), (6540, 43927), (6758, 42510), (7085, 40548), (8060, 35643), (8502, 33790), (10137, 28340), (11881, 24180), (12090, 23762), (13516, 21255), (14170, 20274), (16895, 17004)]