491349420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{30671}}^1$

素因数の和:30775

約数の個数: 72

約数和(自身を含む): 1507222080

約数和(自身を除く): 1015872660

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, 8010, 16020, 30671, 61342, 92013, 122684, 153355, 184026, 276039, 306710, 368052, 460065, 552078, 613420, 920130, 1104156, 1380195, 1840260, 2729719, 2760390, 5459438, 5520780, 8189157, 10918876, 13648595, 16378314, 24567471, 27297190, 32756628, 40945785, 49134942, 54594380, 81891570, 98269884, 122837355, 163783140, 245674710, 491349420]

約数ペア:

[(1, 491349420), (2, 245674710), (3, 163783140), (4, 122837355), (5, 98269884), (6, 81891570), (9, 54594380), (10, 49134942), (12, 40945785), (15, 32756628), (18, 27297190), (20, 24567471), (30, 16378314), (36, 13648595), (45, 10918876), (60, 8189157), (89, 5520780), (90, 5459438), (178, 2760390), (180, 2729719), (267, 1840260), (356, 1380195), (445, 1104156), (534, 920130), (801, 613420), (890, 552078), (1068, 460065), (1335, 368052), (1602, 306710), (1780, 276039), (2670, 184026), (3204, 153355), (4005, 122684), (5340, 92013), (8010, 61342), (16020, 30671)]