61807620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{21023}}^1$

素因数の和:21049

約数の個数: 72

約数和(自身を含む): 201325824

約数和(自身を除く): 139518204

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 21023, 42046, 63069, 84092, 105115, 126138, 147161, 210230, 252276, 294322, 315345, 420460, 441483, 588644, 630690, 735805, 882966, 1030127, 1261380, 1471610, 1765932, 2060254, 2207415, 2943220, 3090381, 4120508, 4414830, 5150635, 6180762, 8829660, 10301270, 12361524, 15451905, 20602540, 30903810, 61807620]

約数ペア:

[(1, 61807620), (2, 30903810), (3, 20602540), (4, 15451905), (5, 12361524), (6, 10301270), (7, 8829660), (10, 6180762), (12, 5150635), (14, 4414830), (15, 4120508), (20, 3090381), (21, 2943220), (28, 2207415), (30, 2060254), (35, 1765932), (42, 1471610), (49, 1261380), (60, 1030127), (70, 882966), (84, 735805), (98, 630690), (105, 588644), (140, 441483), (147, 420460), (196, 315345), (210, 294322), (245, 252276), (294, 210230), (420, 147161), (490, 126138), (588, 105115), (735, 84092), (980, 63069), (1470, 42046), (2940, 21023)]