90529020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5651}}^1$

素因数の和:5755

約数の個数: 72

約数和(自身を含む): 277739280

約数和(自身を除く): 187210260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 89, 90, 178, 180, 267, 356, 445, 534, 801, 890, 1068, 1335, 1602, 1780, 2670, 3204, 4005, 5340, 5651, 8010, 11302, 16020, 16953, 22604, 28255, 33906, 50859, 56510, 67812, 84765, 101718, 113020, 169530, 203436, 254295, 339060, 502939, 508590, 1005878, 1017180, 1508817, 2011756, 2514695, 3017634, 4526451, 5029390, 6035268, 7544085, 9052902, 10058780, 15088170, 18105804, 22632255, 30176340, 45264510, 90529020]

約数ペア:

[(1, 90529020), (2, 45264510), (3, 30176340), (4, 22632255), (5, 18105804), (6, 15088170), (9, 10058780), (10, 9052902), (12, 7544085), (15, 6035268), (18, 5029390), (20, 4526451), (30, 3017634), (36, 2514695), (45, 2011756), (60, 1508817), (89, 1017180), (90, 1005878), (178, 508590), (180, 502939), (267, 339060), (356, 254295), (445, 203436), (534, 169530), (801, 113020), (890, 101718), (1068, 84765), (1335, 67812), (1602, 56510), (1780, 50859), (2670, 33906), (3204, 28255), (4005, 22604), (5340, 16953), (5651, 16020), (8010, 11302)]