71065890

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 128

約数和(自身を含む): 228096000

約数和(自身を除く): 157030110

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 27, 30, 35, 38, 42, 45, 54, 57, 63, 70, 90, 95, 105, 114, 126, 133, 135, 171, 189, 190, 210, 266, 270, 285, 315, 342, 378, 399, 513, 570, 630, 665, 798, 855, 945, 1026, 1197, 1330, 1710, 1890, 1979, 1995, 2394, 2565, 3591, 3958, 3990, 5130, 5937, 5985, 7182, 9895, 11874, 11970, 13853, 17811, 17955, 19790, 27706, 29685, 35622, 35910, 37601, 41559, 53433, 59370, 69265, 75202, 83118, 89055, 106866, 112803, 124677, 138530, 178110, 188005, 207795, 225606, 249354, 263207, 267165, 338409, 374031, 376010, 415590, 526414, 534330, 564015, 623385, 676818, 748062, 789621, 1015227, 1128030, 1246770, 1316035, 1579242, 1692045, 1870155, 2030454, 2368863, 2632070, 3384090, 3740310, 3948105, 4737726, 5076135, 7106589, 7896210, 10152270, 11844315, 14213178, 23688630, 35532945, 71065890]

約数ペア:

[(1, 71065890), (2, 35532945), (3, 23688630), (5, 14213178), (6, 11844315), (7, 10152270), (9, 7896210), (10, 7106589), (14, 5076135), (15, 4737726), (18, 3948105), (19, 3740310), (21, 3384090), (27, 2632070), (30, 2368863), (35, 2030454), (38, 1870155), (42, 1692045), (45, 1579242), (54, 1316035), (57, 1246770), (63, 1128030), (70, 1015227), (90, 789621), (95, 748062), (105, 676818), (114, 623385), (126, 564015), (133, 534330), (135, 526414), (171, 415590), (189, 376010), (190, 374031), (210, 338409), (266, 267165), (270, 263207), (285, 249354), (315, 225606), (342, 207795), (378, 188005), (399, 178110), (513, 138530), (570, 124677), (630, 112803), (665, 106866), (798, 89055), (855, 83118), (945, 75202), (1026, 69265), (1197, 59370), (1330, 53433), (1710, 41559), (1890, 37601), (1979, 35910), (1995, 35622), (2394, 29685), (2565, 27706), (3591, 19790), (3958, 17955), (3990, 17811), (5130, 13853), (5937, 11970), (5985, 11874), (7182, 9895)]