215570760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{163}}^1$

素因数の和:387

約数の個数: 128

約数和(自身を含む): 663137280

約数和(自身を除く): 447566520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 103, 107, 120, 163, 206, 214, 309, 321, 326, 412, 428, 489, 515, 535, 618, 642, 652, 815, 824, 856, 978, 1030, 1070, 1236, 1284, 1304, 1545, 1605, 1630, 1956, 2060, 2140, 2445, 2472, 2568, 3090, 3210, 3260, 3912, 4120, 4280, 4890, 6180, 6420, 6520, 9780, 11021, 12360, 12840, 16789, 17441, 19560, 22042, 33063, 33578, 34882, 44084, 50367, 52323, 55105, 66126, 67156, 69764, 83945, 87205, 88168, 100734, 104646, 110210, 132252, 134312, 139528, 165315, 167890, 174410, 201468, 209292, 220420, 251835, 261615, 264504, 330630, 335780, 348820, 402936, 418584, 440840, 503670, 523230, 661260, 671560, 697640, 1007340, 1046460, 1322520, 1796423, 2014680, 2092920, 3592846, 5389269, 7185692, 8982115, 10778538, 14371384, 17964230, 21557076, 26946345, 35928460, 43114152, 53892690, 71856920, 107785380, 215570760]

約数ペア:

[(1, 215570760), (2, 107785380), (3, 71856920), (4, 53892690), (5, 43114152), (6, 35928460), (8, 26946345), (10, 21557076), (12, 17964230), (15, 14371384), (20, 10778538), (24, 8982115), (30, 7185692), (40, 5389269), (60, 3592846), (103, 2092920), (107, 2014680), (120, 1796423), (163, 1322520), (206, 1046460), (214, 1007340), (309, 697640), (321, 671560), (326, 661260), (412, 523230), (428, 503670), (489, 440840), (515, 418584), (535, 402936), (618, 348820), (642, 335780), (652, 330630), (815, 264504), (824, 261615), (856, 251835), (978, 220420), (1030, 209292), (1070, 201468), (1236, 174410), (1284, 167890), (1304, 165315), (1545, 139528), (1605, 134312), (1630, 132252), (1956, 110210), (2060, 104646), (2140, 100734), (2445, 88168), (2472, 87205), (2568, 83945), (3090, 69764), (3210, 67156), (3260, 66126), (3912, 55105), (4120, 52323), (4280, 50367), (4890, 44084), (6180, 34882), (6420, 33578), (6520, 33063), (9780, 22042), (11021, 19560), (12360, 17441), (12840, 16789)]