27680625

素因数分解:

$3^2\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 120

約数和(自身を含む): 61730240

約数和(自身を除く): 34049615

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 25, 35, 37, 45, 57, 63, 75, 95, 105, 111, 125, 133, 171, 175, 185, 225, 259, 285, 315, 333, 375, 399, 475, 525, 555, 625, 665, 703, 777, 855, 875, 925, 1125, 1197, 1295, 1425, 1575, 1665, 1875, 1995, 2109, 2331, 2375, 2625, 2775, 3325, 3515, 3885, 4275, 4375, 4625, 4921, 5625, 5985, 6327, 6475, 7125, 7875, 8325, 9975, 10545, 11655, 11875, 13125, 13875, 14763, 16625, 17575, 19425, 21375, 23125, 24605, 29925, 31635, 32375, 35625, 39375, 41625, 44289, 49875, 52725, 58275, 69375, 73815, 83125, 87875, 97125, 106875, 123025, 149625, 158175, 161875, 208125, 221445, 249375, 263625, 291375, 369075, 439375, 485625, 615125, 748125, 790875, 1107225, 1318125, 1456875, 1845375, 3075625, 3954375, 5536125, 9226875, 27680625]

約数ペア:

[(1, 27680625), (3, 9226875), (5, 5536125), (7, 3954375), (9, 3075625), (15, 1845375), (19, 1456875), (21, 1318125), (25, 1107225), (35, 790875), (37, 748125), (45, 615125), (57, 485625), (63, 439375), (75, 369075), (95, 291375), (105, 263625), (111, 249375), (125, 221445), (133, 208125), (171, 161875), (175, 158175), (185, 149625), (225, 123025), (259, 106875), (285, 97125), (315, 87875), (333, 83125), (375, 73815), (399, 69375), (475, 58275), (525, 52725), (555, 49875), (625, 44289), (665, 41625), (703, 39375), (777, 35625), (855, 32375), (875, 31635), (925, 29925), (1125, 24605), (1197, 23125), (1295, 21375), (1425, 19425), (1575, 17575), (1665, 16625), (1875, 14763), (1995, 13875), (2109, 13125), (2331, 11875), (2375, 11655), (2625, 10545), (2775, 9975), (3325, 8325), (3515, 7875), (3885, 7125), (4275, 6475), (4375, 6327), (4625, 5985), (4921, 5625)]