1520221905

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{4363}}^1$

素因数の和:4495

約数の個数: 64

約数和(自身を含む): 2827872000

約数和(自身を除く): 1307650095

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 89, 135, 145, 261, 267, 435, 445, 783, 801, 1305, 1335, 2403, 2581, 3915, 4005, 4363, 7743, 12015, 12905, 13089, 21815, 23229, 38715, 39267, 65445, 69687, 116145, 117801, 126527, 196335, 348435, 379581, 388307, 589005, 632635, 1138743, 1164921, 1897905, 1941535, 3416229, 3494763, 5693715, 5824605, 10484289, 11260903, 17081145, 17473815, 33782709, 52421445, 56304515, 101348127, 168913545, 304044381, 506740635, 1520221905]

約数ペア:

[(1, 1520221905), (3, 506740635), (5, 304044381), (9, 168913545), (15, 101348127), (27, 56304515), (29, 52421445), (45, 33782709), (87, 17473815), (89, 17081145), (135, 11260903), (145, 10484289), (261, 5824605), (267, 5693715), (435, 3494763), (445, 3416229), (783, 1941535), (801, 1897905), (1305, 1164921), (1335, 1138743), (2403, 632635), (2581, 589005), (3915, 388307), (4005, 379581), (4363, 348435), (7743, 196335), (12015, 126527), (12905, 117801), (13089, 116145), (21815, 69687), (23229, 65445), (38715, 39267)]