403620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^2$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 1334592

約数和(自身を除く): 930972

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 60, 62, 70, 84, 93, 105, 124, 140, 155, 186, 210, 217, 310, 372, 420, 434, 465, 620, 651, 868, 930, 961, 1085, 1302, 1860, 1922, 2170, 2604, 2883, 3255, 3844, 4340, 4805, 5766, 6510, 6727, 9610, 11532, 13020, 13454, 14415, 19220, 20181, 26908, 28830, 33635, 40362, 57660, 67270, 80724, 100905, 134540, 201810, 403620]

約数ペア:

[(1, 403620), (2, 201810), (3, 134540), (4, 100905), (5, 80724), (6, 67270), (7, 57660), (10, 40362), (12, 33635), (14, 28830), (15, 26908), (20, 20181), (21, 19220), (28, 14415), (30, 13454), (31, 13020), (35, 11532), (42, 9610), (60, 6727), (62, 6510), (70, 5766), (84, 4805), (93, 4340), (105, 3844), (124, 3255), (140, 2883), (155, 2604), (186, 2170), (210, 1922), (217, 1860), (310, 1302), (372, 1085), (420, 961), (434, 930), (465, 868), (620, 651)]