68998140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:236

約数の個数: 144

約数和(自身を含む): 218181600

約数和(自身を除く): 149183460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 59, 60, 73, 89, 90, 118, 146, 177, 178, 180, 219, 236, 267, 292, 295, 354, 356, 365, 438, 445, 531, 534, 590, 657, 708, 730, 801, 876, 885, 890, 1062, 1068, 1095, 1180, 1314, 1335, 1460, 1602, 1770, 1780, 2124, 2190, 2628, 2655, 2670, 3204, 3285, 3540, 4005, 4307, 4380, 5251, 5310, 5340, 6497, 6570, 8010, 8614, 10502, 10620, 12921, 12994, 13140, 15753, 16020, 17228, 19491, 21004, 21535, 25842, 25988, 26255, 31506, 32485, 38763, 38982, 43070, 47259, 51684, 52510, 58473, 63012, 64605, 64970, 77526, 77964, 78765, 86140, 94518, 97455, 105020, 116946, 129210, 129940, 155052, 157530, 189036, 193815, 194910, 233892, 236295, 258420, 292365, 315060, 383323, 387630, 389820, 472590, 584730, 766646, 775260, 945180, 1149969, 1169460, 1533292, 1916615, 2299938, 3449907, 3833230, 4599876, 5749845, 6899814, 7666460, 11499690, 13799628, 17249535, 22999380, 34499070, 68998140]

約数ペア:

[(1, 68998140), (2, 34499070), (3, 22999380), (4, 17249535), (5, 13799628), (6, 11499690), (9, 7666460), (10, 6899814), (12, 5749845), (15, 4599876), (18, 3833230), (20, 3449907), (30, 2299938), (36, 1916615), (45, 1533292), (59, 1169460), (60, 1149969), (73, 945180), (89, 775260), (90, 766646), (118, 584730), (146, 472590), (177, 389820), (178, 387630), (180, 383323), (219, 315060), (236, 292365), (267, 258420), (292, 236295), (295, 233892), (354, 194910), (356, 193815), (365, 189036), (438, 157530), (445, 155052), (531, 129940), (534, 129210), (590, 116946), (657, 105020), (708, 97455), (730, 94518), (801, 86140), (876, 78765), (885, 77964), (890, 77526), (1062, 64970), (1068, 64605), (1095, 63012), (1180, 58473), (1314, 52510), (1335, 51684), (1460, 47259), (1602, 43070), (1770, 38982), (1780, 38763), (2124, 32485), (2190, 31506), (2628, 26255), (2655, 25988), (2670, 25842), (3204, 21535), (3285, 21004), (3540, 19491), (4005, 17228), (4307, 16020), (4380, 15753), (5251, 13140), (5310, 12994), (5340, 12921), (6497, 10620), (6570, 10502), (8010, 8614)]