260278480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:138

約数の個数: 320

約数和(自身を含む): 822804480

約数和(自身を除く): 562526000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 29, 31, 35, 40, 44, 47, 55, 56, 58, 62, 70, 77, 80, 88, 94, 110, 112, 116, 124, 140, 145, 154, 155, 176, 188, 203, 217, 220, 232, 235, 248, 280, 290, 308, 310, 319, 329, 341, 376, 385, 406, 434, 440, 464, 470, 496, 517, 560, 580, 616, 620, 638, 658, 682, 752, 770, 812, 868, 880, 899, 940, 1015, 1034, 1085, 1160, 1232, 1240, 1276, 1316, 1363, 1364, 1457, 1540, 1595, 1624, 1645, 1705, 1736, 1798, 1880, 2030, 2068, 2170, 2233, 2320, 2387, 2480, 2552, 2585, 2632, 2726, 2728, 2914, 3080, 3190, 3248, 3290, 3410, 3472, 3596, 3619, 3760, 4060, 4136, 4340, 4466, 4495, 4774, 5104, 5170, 5264, 5452, 5456, 5828, 6160, 6293, 6380, 6580, 6815, 6820, 7192, 7238, 7285, 8120, 8272, 8680, 8932, 8990, 9541, 9548, 9889, 10199, 10340, 10904, 11165, 11656, 11935, 12586, 12760, 13160, 13630, 13640, 14384, 14476, 14570, 14993, 16027, 16240, 17360, 17864, 17980, 18095, 19082, 19096, 19778, 20398, 20680, 21808, 22330, 23312, 23870, 25172, 25520, 26320, 27260, 27280, 28952, 29140, 29986, 31465, 32054, 35728, 35960, 36190, 38164, 38192, 39556, 40796, 41360, 42253, 44660, 47705, 47740, 49445, 50344, 50995, 54520, 57904, 58280, 59972, 62930, 64108, 69223, 71920, 72380, 74965, 76328, 79112, 80135, 81592, 84506, 89320, 95410, 95480, 98890, 100688, 101990, 104951, 109040, 112189, 116560, 119944, 125860, 128216, 138446, 144760, 149930, 152656, 158224, 160270, 163184, 169012, 178640, 190820, 190960, 197780, 203980, 209902, 211265, 224378, 239888, 251720, 256432, 276892, 289520, 295771, 299860, 320540, 338024, 346115, 381640, 395560, 407960, 419804, 422530, 448756, 464783, 503440, 524755, 553784, 560945, 591542, 599720, 641080, 676048, 692230, 763280, 791120, 815920, 839608, 845060, 897512, 929566, 1049510, 1107568, 1121890, 1183084, 1199440, 1282160, 1384460, 1478855, 1679216, 1690120, 1795024, 1859132, 2099020, 2243780, 2323915, 2366168, 2768920, 2957710, 3253481, 3380240, 3718264, 4198040, 4487560, 4647830, 4732336, 5537840, 5915420, 6506962, 7436528, 8396080, 8975120, 9295660, 11830840, 13013924, 16267405, 18591320, 23661680, 26027848, 32534810, 37182640, 52055696, 65069620, 130139240, 260278480]

約数ペア:

[(1, 260278480), (2, 130139240), (4, 65069620), (5, 52055696), (7, 37182640), (8, 32534810), (10, 26027848), (11, 23661680), (14, 18591320), (16, 16267405), (20, 13013924), (22, 11830840), (28, 9295660), (29, 8975120), (31, 8396080), (35, 7436528), (40, 6506962), (44, 5915420), (47, 5537840), (55, 4732336), (56, 4647830), (58, 4487560), (62, 4198040), (70, 3718264), (77, 3380240), (80, 3253481), (88, 2957710), (94, 2768920), (110, 2366168), (112, 2323915), (116, 2243780), (124, 2099020), (140, 1859132), (145, 1795024), (154, 1690120), (155, 1679216), (176, 1478855), (188, 1384460), (203, 1282160), (217, 1199440), (220, 1183084), (232, 1121890), (235, 1107568), (248, 1049510), (280, 929566), (290, 897512), (308, 845060), (310, 839608), (319, 815920), (329, 791120), (341, 763280), (376, 692230), (385, 676048), (406, 641080), (434, 599720), (440, 591542), (464, 560945), (470, 553784), (496, 524755), (517, 503440), (560, 464783), (580, 448756), (616, 422530), (620, 419804), (638, 407960), (658, 395560), (682, 381640), (752, 346115), (770, 338024), (812, 320540), (868, 299860), (880, 295771), (899, 289520), (940, 276892), (1015, 256432), (1034, 251720), (1085, 239888), (1160, 224378), (1232, 211265), (1240, 209902), (1276, 203980), (1316, 197780), (1363, 190960), (1364, 190820), (1457, 178640), (1540, 169012), (1595, 163184), (1624, 160270), (1645, 158224), (1705, 152656), (1736, 149930), (1798, 144760), (1880, 138446), (2030, 128216), (2068, 125860), (2170, 119944), (2233, 116560), (2320, 112189), (2387, 109040), (2480, 104951), (2552, 101990), (2585, 100688), (2632, 98890), (2726, 95480), (2728, 95410), (2914, 89320), (3080, 84506), (3190, 81592), (3248, 80135), (3290, 79112), (3410, 76328), (3472, 74965), (3596, 72380), (3619, 71920), (3760, 69223), (4060, 64108), (4136, 62930), (4340, 59972), (4466, 58280), (4495, 57904), (4774, 54520), (5104, 50995), (5170, 50344), (5264, 49445), (5452, 47740), (5456, 47705), (5828, 44660), (6160, 42253), (6293, 41360), (6380, 40796), (6580, 39556), (6815, 38192), (6820, 38164), (7192, 36190), (7238, 35960), (7285, 35728), (8120, 32054), (8272, 31465), (8680, 29986), (8932, 29140), (8990, 28952), (9541, 27280), (9548, 27260), (9889, 26320), (10199, 25520), (10340, 25172), (10904, 23870), (11165, 23312), (11656, 22330), (11935, 21808), (12586, 20680), (12760, 20398), (13160, 19778), (13630, 19096), (13640, 19082), (14384, 18095), (14476, 17980), (14570, 17864), (14993, 17360), (16027, 16240)]