721427070

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{659}}^1$

素因数の和:1090

約数の個数: 128

約数和(自身を含む): 2139540480

約数和(自身を除く): 1418113410

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 401, 455, 546, 659, 802, 910, 1203, 1318, 1365, 1977, 2005, 2406, 2730, 2807, 3295, 3954, 4010, 4613, 5213, 5614, 6015, 6590, 8421, 8567, 9226, 9885, 10426, 12030, 13839, 14035, 15639, 16842, 17134, 19770, 23065, 25701, 26065, 27678, 28070, 31278, 36491, 42105, 42835, 46130, 51402, 52130, 59969, 69195, 72982, 78195, 84210, 85670, 109473, 119938, 128505, 138390, 156390, 179907, 182455, 218946, 257010, 264259, 299845, 359814, 364910, 528518, 547365, 599690, 792777, 899535, 1094730, 1321295, 1585554, 1799070, 1849813, 2642590, 3435367, 3699626, 3963885, 5549439, 6870734, 7927770, 9249065, 10306101, 11098878, 17176835, 18498130, 20612202, 24047569, 27747195, 34353670, 48095138, 51530505, 55494390, 72142707, 103061010, 120237845, 144285414, 240475690, 360713535, 721427070]

約数ペア:

[(1, 721427070), (2, 360713535), (3, 240475690), (5, 144285414), (6, 120237845), (7, 103061010), (10, 72142707), (13, 55494390), (14, 51530505), (15, 48095138), (21, 34353670), (26, 27747195), (30, 24047569), (35, 20612202), (39, 18498130), (42, 17176835), (65, 11098878), (70, 10306101), (78, 9249065), (91, 7927770), (105, 6870734), (130, 5549439), (182, 3963885), (195, 3699626), (210, 3435367), (273, 2642590), (390, 1849813), (401, 1799070), (455, 1585554), (546, 1321295), (659, 1094730), (802, 899535), (910, 792777), (1203, 599690), (1318, 547365), (1365, 528518), (1977, 364910), (2005, 359814), (2406, 299845), (2730, 264259), (2807, 257010), (3295, 218946), (3954, 182455), (4010, 179907), (4613, 156390), (5213, 138390), (5614, 128505), (6015, 119938), (6590, 109473), (8421, 85670), (8567, 84210), (9226, 78195), (9885, 72982), (10426, 69195), (12030, 59969), (13839, 52130), (14035, 51402), (15639, 46130), (16842, 42835), (17134, 42105), (19770, 36491), (23065, 31278), (25701, 28070), (26065, 27678)]