390312320

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 128

約数和(自身を含む): 977633280

約数和(自身を除く): 587320960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 103, 124, 128, 155, 160, 191, 206, 248, 310, 320, 382, 412, 496, 515, 620, 640, 764, 824, 955, 992, 1030, 1240, 1528, 1648, 1910, 1984, 2060, 2480, 3056, 3193, 3296, 3820, 3968, 4120, 4960, 5921, 6112, 6386, 6592, 7640, 8240, 9920, 11842, 12224, 12772, 13184, 15280, 15965, 16480, 19673, 19840, 23684, 24448, 25544, 29605, 30560, 31930, 32960, 39346, 47368, 51088, 59210, 61120, 63860, 65920, 78692, 94736, 98365, 102176, 118420, 122240, 127720, 157384, 189472, 196730, 204352, 236840, 255440, 314768, 378944, 393460, 408704, 473680, 510880, 609863, 629536, 757888, 786920, 947360, 1021760, 1219726, 1259072, 1573840, 1894720, 2043520, 2439452, 2518144, 3049315, 3147680, 3789440, 4878904, 6098630, 6295360, 9757808, 12197260, 12590720, 19515616, 24394520, 39031232, 48789040, 78062464, 97578080, 195156160, 390312320]

約数ペア:

[(1, 390312320), (2, 195156160), (4, 97578080), (5, 78062464), (8, 48789040), (10, 39031232), (16, 24394520), (20, 19515616), (31, 12590720), (32, 12197260), (40, 9757808), (62, 6295360), (64, 6098630), (80, 4878904), (103, 3789440), (124, 3147680), (128, 3049315), (155, 2518144), (160, 2439452), (191, 2043520), (206, 1894720), (248, 1573840), (310, 1259072), (320, 1219726), (382, 1021760), (412, 947360), (496, 786920), (515, 757888), (620, 629536), (640, 609863), (764, 510880), (824, 473680), (955, 408704), (992, 393460), (1030, 378944), (1240, 314768), (1528, 255440), (1648, 236840), (1910, 204352), (1984, 196730), (2060, 189472), (2480, 157384), (3056, 127720), (3193, 122240), (3296, 118420), (3820, 102176), (3968, 98365), (4120, 94736), (4960, 78692), (5921, 65920), (6112, 63860), (6386, 61120), (6592, 59210), (7640, 51088), (8240, 47368), (9920, 39346), (11842, 32960), (12224, 31930), (12772, 30560), (13184, 29605), (15280, 25544), (15965, 24448), (16480, 23684), (19673, 19840)]