207919920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:779

約数の個数: 160

約数和(自身を含む): 701955072

約数和(自身を除く): 494035152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 103, 104, 120, 130, 156, 195, 206, 208, 240, 260, 309, 312, 390, 412, 515, 520, 618, 624, 647, 780, 824, 1030, 1040, 1236, 1294, 1339, 1545, 1560, 1648, 1941, 2060, 2472, 2588, 2678, 3090, 3120, 3235, 3882, 4017, 4120, 4944, 5176, 5356, 6180, 6470, 6695, 7764, 8034, 8240, 8411, 9705, 10352, 10712, 12360, 12940, 13390, 15528, 16068, 16822, 19410, 20085, 21424, 24720, 25233, 25880, 26780, 31056, 32136, 33644, 38820, 40170, 42055, 50466, 51760, 53560, 64272, 66641, 67288, 77640, 80340, 84110, 100932, 107120, 126165, 133282, 134576, 155280, 160680, 168220, 199923, 201864, 252330, 266564, 321360, 333205, 336440, 399846, 403728, 504660, 533128, 666410, 672880, 799692, 866333, 999615, 1009320, 1066256, 1332820, 1599384, 1732666, 1999230, 2018640, 2598999, 2665640, 3198768, 3465332, 3998460, 4331665, 5197998, 5331280, 6930664, 7996920, 8663330, 10395996, 12994995, 13861328, 15993840, 17326660, 20791992, 25989990, 34653320, 41583984, 51979980, 69306640, 103959960, 207919920]

約数ペア:

[(1, 207919920), (2, 103959960), (3, 69306640), (4, 51979980), (5, 41583984), (6, 34653320), (8, 25989990), (10, 20791992), (12, 17326660), (13, 15993840), (15, 13861328), (16, 12994995), (20, 10395996), (24, 8663330), (26, 7996920), (30, 6930664), (39, 5331280), (40, 5197998), (48, 4331665), (52, 3998460), (60, 3465332), (65, 3198768), (78, 2665640), (80, 2598999), (103, 2018640), (104, 1999230), (120, 1732666), (130, 1599384), (156, 1332820), (195, 1066256), (206, 1009320), (208, 999615), (240, 866333), (260, 799692), (309, 672880), (312, 666410), (390, 533128), (412, 504660), (515, 403728), (520, 399846), (618, 336440), (624, 333205), (647, 321360), (780, 266564), (824, 252330), (1030, 201864), (1040, 199923), (1236, 168220), (1294, 160680), (1339, 155280), (1545, 134576), (1560, 133282), (1648, 126165), (1941, 107120), (2060, 100932), (2472, 84110), (2588, 80340), (2678, 77640), (3090, 67288), (3120, 66641), (3235, 64272), (3882, 53560), (4017, 51760), (4120, 50466), (4944, 42055), (5176, 40170), (5356, 38820), (6180, 33644), (6470, 32136), (6695, 31056), (7764, 26780), (8034, 25880), (8240, 25233), (8411, 24720), (9705, 21424), (10352, 20085), (10712, 19410), (12360, 16822), (12940, 16068), (13390, 15528)]