521857980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1229}}^1$

素因数の和:1588

約数の個数: 144

約数和(自身を含む): 1815952320

約数和(自身を除く): 1294094340

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 337, 420, 630, 674, 1011, 1229, 1260, 1348, 1685, 2022, 2359, 2458, 3033, 3370, 3687, 4044, 4718, 4916, 5055, 6066, 6145, 6740, 7077, 7374, 8603, 9436, 10110, 11061, 11795, 12132, 12290, 14154, 14748, 15165, 17206, 18435, 20220, 21231, 22122, 23590, 24580, 25809, 28308, 30330, 34412, 35385, 36870, 42462, 43015, 44244, 47180, 51618, 55305, 60660, 70770, 73740, 77427, 84924, 86030, 103236, 106155, 110610, 129045, 141540, 154854, 172060, 212310, 221220, 258090, 309708, 387135, 414173, 424620, 516180, 774270, 828346, 1242519, 1548540, 1656692, 2070865, 2485038, 2899211, 3727557, 4141730, 4970076, 5798422, 6212595, 7455114, 8283460, 8697633, 11596844, 12425190, 14496055, 14910228, 17395266, 18637785, 24850380, 26092899, 28992110, 34790532, 37275570, 43488165, 52185798, 57984220, 74551140, 86976330, 104371596, 130464495, 173952660, 260928990, 521857980]

約数ペア:

[(1, 521857980), (2, 260928990), (3, 173952660), (4, 130464495), (5, 104371596), (6, 86976330), (7, 74551140), (9, 57984220), (10, 52185798), (12, 43488165), (14, 37275570), (15, 34790532), (18, 28992110), (20, 26092899), (21, 24850380), (28, 18637785), (30, 17395266), (35, 14910228), (36, 14496055), (42, 12425190), (45, 11596844), (60, 8697633), (63, 8283460), (70, 7455114), (84, 6212595), (90, 5798422), (105, 4970076), (126, 4141730), (140, 3727557), (180, 2899211), (210, 2485038), (252, 2070865), (315, 1656692), (337, 1548540), (420, 1242519), (630, 828346), (674, 774270), (1011, 516180), (1229, 424620), (1260, 414173), (1348, 387135), (1685, 309708), (2022, 258090), (2359, 221220), (2458, 212310), (3033, 172060), (3370, 154854), (3687, 141540), (4044, 129045), (4718, 110610), (4916, 106155), (5055, 103236), (6066, 86030), (6145, 84924), (6740, 77427), (7077, 73740), (7374, 70770), (8603, 60660), (9436, 55305), (10110, 51618), (11061, 47180), (11795, 44244), (12132, 43015), (12290, 42462), (14154, 36870), (14748, 35385), (15165, 34412), (17206, 30330), (18435, 28308), (20220, 25809), (21231, 24580), (22122, 23590)]