4989776720

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1\times {\mathrm{1039}}^1$

素因数の和:1572

約数の個数: 80

約数和(自身を含む): 11713178880

約数和(自身を除く): 6723402160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 347, 692, 694, 865, 1039, 1384, 1388, 1730, 1735, 2078, 2768, 2776, 3460, 3470, 4156, 5195, 5552, 6920, 6940, 8312, 10390, 13840, 13880, 16624, 20780, 27760, 41560, 60031, 83120, 120062, 179747, 240124, 300155, 359494, 360533, 480248, 600310, 718988, 721066, 898735, 960496, 1200620, 1437976, 1442132, 1797470, 1802665, 2401240, 2875952, 2884264, 3594940, 3605330, 4802480, 5768528, 7189880, 7210660, 14379760, 14421320, 28842640, 62372209, 124744418, 249488836, 311861045, 498977672, 623722090, 997955344, 1247444180, 2494888360, 4989776720]

約数ペア:

[(1, 4989776720), (2, 2494888360), (4, 1247444180), (5, 997955344), (8, 623722090), (10, 498977672), (16, 311861045), (20, 249488836), (40, 124744418), (80, 62372209), (173, 28842640), (346, 14421320), (347, 14379760), (692, 7210660), (694, 7189880), (865, 5768528), (1039, 4802480), (1384, 3605330), (1388, 3594940), (1730, 2884264), (1735, 2875952), (2078, 2401240), (2768, 1802665), (2776, 1797470), (3460, 1442132), (3470, 1437976), (4156, 1200620), (5195, 960496), (5552, 898735), (6920, 721066), (6940, 718988), (8312, 600310), (10390, 480248), (13840, 360533), (13880, 359494), (16624, 300155), (20780, 240124), (27760, 179747), (41560, 120062), (60031, 83120)]