1720963125

素因数分解:

$3^3\times 5^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{857}}^1$

素因数の和:910

約数の個数: 160

約数和(自身を含む): 3859764480

約数和(自身を除く): 2138801355

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 25, 27, 35, 45, 51, 63, 75, 85, 105, 119, 125, 135, 153, 175, 189, 225, 255, 315, 357, 375, 425, 459, 525, 595, 625, 675, 765, 857, 875, 945, 1071, 1125, 1275, 1575, 1785, 1875, 2125, 2295, 2571, 2625, 2975, 3213, 3375, 3825, 4285, 4375, 4725, 5355, 5625, 5999, 6375, 7713, 7875, 8925, 10625, 11475, 12855, 13125, 14569, 14875, 16065, 16875, 17997, 19125, 21425, 23139, 23625, 26775, 29995, 31875, 38565, 39375, 43707, 44625, 53991, 57375, 64275, 72845, 74375, 80325, 89985, 95625, 101983, 107125, 115695, 118125, 131121, 133875, 149975, 161973, 192825, 218535, 223125, 269955, 286875, 305949, 321375, 364225, 393363, 401625, 449925, 509915, 535625, 578475, 655605, 669375, 749875, 809865, 917847, 964125, 1092675, 1349775, 1529745, 1606875, 1821125, 1966815, 2008125, 2249625, 2549575, 2753541, 2892375, 3278025, 3749375, 4049325, 4589235, 4820625, 5463375, 6748875, 7648725, 9105625, 9834075, 11248125, 12747875, 13767705, 14461875, 16390125, 20246625, 22946175, 27316875, 33744375, 38243625, 49170375, 63739375, 68838525, 81950625, 101233125, 114730875, 191218125, 245851875, 344192625, 573654375, 1720963125]

約数ペア:

[(1, 1720963125), (3, 573654375), (5, 344192625), (7, 245851875), (9, 191218125), (15, 114730875), (17, 101233125), (21, 81950625), (25, 68838525), (27, 63739375), (35, 49170375), (45, 38243625), (51, 33744375), (63, 27316875), (75, 22946175), (85, 20246625), (105, 16390125), (119, 14461875), (125, 13767705), (135, 12747875), (153, 11248125), (175, 9834075), (189, 9105625), (225, 7648725), (255, 6748875), (315, 5463375), (357, 4820625), (375, 4589235), (425, 4049325), (459, 3749375), (525, 3278025), (595, 2892375), (625, 2753541), (675, 2549575), (765, 2249625), (857, 2008125), (875, 1966815), (945, 1821125), (1071, 1606875), (1125, 1529745), (1275, 1349775), (1575, 1092675), (1785, 964125), (1875, 917847), (2125, 809865), (2295, 749875), (2571, 669375), (2625, 655605), (2975, 578475), (3213, 535625), (3375, 509915), (3825, 449925), (4285, 401625), (4375, 393363), (4725, 364225), (5355, 321375), (5625, 305949), (5999, 286875), (6375, 269955), (7713, 223125), (7875, 218535), (8925, 192825), (10625, 161973), (11475, 149975), (12855, 133875), (13125, 131121), (14569, 118125), (14875, 115695), (16065, 107125), (16875, 101983), (17997, 95625), (19125, 89985), (21425, 80325), (23139, 74375), (23625, 72845), (26775, 64275), (29995, 57375), (31875, 53991), (38565, 44625), (39375, 43707)]