311356080

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:568

約数の個数: 240

約数和(自身を含む): 1205518080

約数和(自身を除く): 894162000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 163, 168, 180, 210, 240, 252, 280, 315, 326, 336, 360, 379, 420, 489, 504, 560, 630, 652, 720, 758, 815, 840, 978, 1008, 1137, 1141, 1260, 1304, 1467, 1516, 1630, 1680, 1895, 1956, 2274, 2282, 2445, 2520, 2608, 2653, 2934, 3032, 3260, 3411, 3423, 3790, 3912, 4548, 4564, 4890, 5040, 5306, 5685, 5705, 5868, 6064, 6520, 6822, 6846, 7335, 7580, 7824, 7959, 9096, 9128, 9780, 10269, 10612, 11370, 11410, 11736, 13040, 13265, 13644, 13692, 14670, 15160, 15918, 17055, 17115, 18192, 18256, 19560, 20538, 21224, 22740, 22820, 23472, 23877, 26530, 27288, 27384, 29340, 30320, 31836, 34110, 34230, 39120, 39795, 41076, 42448, 45480, 45640, 47754, 51345, 53060, 54576, 54768, 58680, 61777, 63672, 68220, 68460, 79590, 82152, 90960, 91280, 95508, 102690, 106120, 117360, 119385, 123554, 127344, 136440, 136920, 159180, 164304, 185331, 191016, 205380, 212240, 238770, 247108, 272880, 273840, 308885, 318360, 370662, 382032, 410760, 432439, 477540, 494216, 555993, 617770, 636720, 741324, 821520, 864878, 926655, 955080, 988432, 1111986, 1235540, 1297317, 1482648, 1729756, 1853310, 1910160, 2162195, 2223972, 2471080, 2594634, 2779965, 2965296, 3459512, 3706620, 3891951, 4324390, 4447944, 4942160, 5189268, 5559930, 6486585, 6919024, 7413240, 7783902, 8648780, 8895888, 10378536, 11119860, 12973170, 14826480, 15567804, 17297560, 19459755, 20757072, 22239720, 25946340, 31135608, 34595120, 38919510, 44479440, 51892680, 62271216, 77839020, 103785360, 155678040, 311356080]

約数ペア:

[(1, 311356080), (2, 155678040), (3, 103785360), (4, 77839020), (5, 62271216), (6, 51892680), (7, 44479440), (8, 38919510), (9, 34595120), (10, 31135608), (12, 25946340), (14, 22239720), (15, 20757072), (16, 19459755), (18, 17297560), (20, 15567804), (21, 14826480), (24, 12973170), (28, 11119860), (30, 10378536), (35, 8895888), (36, 8648780), (40, 7783902), (42, 7413240), (45, 6919024), (48, 6486585), (56, 5559930), (60, 5189268), (63, 4942160), (70, 4447944), (72, 4324390), (80, 3891951), (84, 3706620), (90, 3459512), (105, 2965296), (112, 2779965), (120, 2594634), (126, 2471080), (140, 2223972), (144, 2162195), (163, 1910160), (168, 1853310), (180, 1729756), (210, 1482648), (240, 1297317), (252, 1235540), (280, 1111986), (315, 988432), (326, 955080), (336, 926655), (360, 864878), (379, 821520), (420, 741324), (489, 636720), (504, 617770), (560, 555993), (630, 494216), (652, 477540), (720, 432439), (758, 410760), (815, 382032), (840, 370662), (978, 318360), (1008, 308885), (1137, 273840), (1141, 272880), (1260, 247108), (1304, 238770), (1467, 212240), (1516, 205380), (1630, 191016), (1680, 185331), (1895, 164304), (1956, 159180), (2274, 136920), (2282, 136440), (2445, 127344), (2520, 123554), (2608, 119385), (2653, 117360), (2934, 106120), (3032, 102690), (3260, 95508), (3411, 91280), (3423, 90960), (3790, 82152), (3912, 79590), (4548, 68460), (4564, 68220), (4890, 63672), (5040, 61777), (5306, 58680), (5685, 54768), (5705, 54576), (5868, 53060), (6064, 51345), (6520, 47754), (6822, 45640), (6846, 45480), (7335, 42448), (7580, 41076), (7824, 39795), (7959, 39120), (9096, 34230), (9128, 34110), (9780, 31836), (10269, 30320), (10612, 29340), (11370, 27384), (11410, 27288), (11736, 26530), (13040, 23877), (13265, 23472), (13644, 22820), (13692, 22740), (14670, 21224), (15160, 20538), (15918, 19560), (17055, 18256), (17115, 18192)]