261569582625

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1\times {\mathrm{863}}^1$

素因数の和:1760

約数の個数: 128

約数和(自身を含む): 475819868160

約数和(自身を除く): 214250285535

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 79, 125, 195, 237, 325, 375, 395, 787, 863, 975, 1027, 1185, 1625, 1975, 2361, 2589, 3081, 3935, 4315, 4875, 5135, 5925, 9875, 10231, 11219, 11805, 12945, 15405, 19675, 21575, 25675, 29625, 30693, 33657, 51155, 56095, 59025, 62173, 64725, 68177, 77025, 98375, 107875, 128375, 153465, 168285, 186519, 204531, 255775, 280475, 295125, 310865, 323625, 340885, 385125, 679181, 767325, 808249, 841425, 886301, 932595, 1022655, 1278875, 1402375, 1554325, 1704425, 2037543, 2424747, 2658903, 3395905, 3836625, 4041245, 4207125, 4431505, 4662975, 5113275, 7771625, 8522125, 8829353, 10187715, 12123735, 13294515, 16979525, 20206225, 22157525, 23314875, 25566375, 26488059, 44146765, 50938575, 53655299, 60618675, 66472575, 84897625, 101031125, 110787625, 132440295, 160965897, 220733825, 254692875, 268276495, 303093375, 332362875, 662201475, 697518887, 804829485, 1103669125, 1341382475, 2092556661, 3311007375, 3487594435, 4024147425, 6706912375, 10462783305, 17437972175, 20120737125, 52313916525, 87189860875, 261569582625]

約数ペア:

[(1, 261569582625), (3, 87189860875), (5, 52313916525), (13, 20120737125), (15, 17437972175), (25, 10462783305), (39, 6706912375), (65, 4024147425), (75, 3487594435), (79, 3311007375), (125, 2092556661), (195, 1341382475), (237, 1103669125), (325, 804829485), (375, 697518887), (395, 662201475), (787, 332362875), (863, 303093375), (975, 268276495), (1027, 254692875), (1185, 220733825), (1625, 160965897), (1975, 132440295), (2361, 110787625), (2589, 101031125), (3081, 84897625), (3935, 66472575), (4315, 60618675), (4875, 53655299), (5135, 50938575), (5925, 44146765), (9875, 26488059), (10231, 25566375), (11219, 23314875), (11805, 22157525), (12945, 20206225), (15405, 16979525), (19675, 13294515), (21575, 12123735), (25675, 10187715), (29625, 8829353), (30693, 8522125), (33657, 7771625), (51155, 5113275), (56095, 4662975), (59025, 4431505), (62173, 4207125), (64725, 4041245), (68177, 3836625), (77025, 3395905), (98375, 2658903), (107875, 2424747), (128375, 2037543), (153465, 1704425), (168285, 1554325), (186519, 1402375), (204531, 1278875), (255775, 1022655), (280475, 932595), (295125, 886301), (310865, 841425), (323625, 808249), (340885, 767325), (385125, 679181)]