74730420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21851}}^1$

素因数の和:21885

約数の個数: 72

約数和(自身を含む): 238623840

約数和(自身を除く): 163893420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21851, 43702, 65553, 87404, 109255, 131106, 196659, 218510, 262212, 327765, 393318, 415169, 437020, 655530, 786636, 830338, 983295, 1245507, 1311060, 1660676, 1966590, 2075845, 2491014, 3736521, 3933180, 4151690, 4982028, 6227535, 7473042, 8303380, 12455070, 14946084, 18682605, 24910140, 37365210, 74730420]

約数ペア:

[(1, 74730420), (2, 37365210), (3, 24910140), (4, 18682605), (5, 14946084), (6, 12455070), (9, 8303380), (10, 7473042), (12, 6227535), (15, 4982028), (18, 4151690), (19, 3933180), (20, 3736521), (30, 2491014), (36, 2075845), (38, 1966590), (45, 1660676), (57, 1311060), (60, 1245507), (76, 983295), (90, 830338), (95, 786636), (114, 655530), (171, 437020), (180, 415169), (190, 393318), (228, 327765), (285, 262212), (342, 218510), (380, 196659), (570, 131106), (684, 109255), (855, 87404), (1140, 65553), (1710, 43702), (3420, 21851)]