290267880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:280

約数の個数: 256

約数和(自身を含む): 1048412160

約数和(自身を除く): 758144280

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 71, 84, 93, 105, 120, 124, 140, 142, 155, 157, 168, 186, 210, 213, 217, 248, 280, 284, 310, 314, 355, 372, 420, 426, 434, 465, 471, 497, 568, 620, 628, 651, 710, 744, 785, 840, 852, 868, 930, 942, 994, 1065, 1085, 1099, 1240, 1256, 1302, 1420, 1491, 1570, 1704, 1736, 1860, 1884, 1988, 2130, 2170, 2198, 2201, 2355, 2485, 2604, 2840, 2982, 3140, 3255, 3297, 3720, 3768, 3976, 4260, 4340, 4396, 4402, 4710, 4867, 4970, 5208, 5495, 5964, 6280, 6510, 6594, 6603, 7455, 8520, 8680, 8792, 8804, 9420, 9734, 9940, 10990, 11005, 11147, 11928, 13020, 13188, 13206, 14601, 14910, 15407, 16485, 17608, 18840, 19468, 19880, 21980, 22010, 22294, 24335, 26040, 26376, 26412, 29202, 29820, 30814, 32970, 33015, 33441, 34069, 38936, 43960, 44020, 44588, 46221, 48670, 52824, 55735, 58404, 59640, 61628, 65940, 66030, 66882, 68138, 73005, 77035, 78029, 88040, 89176, 92442, 97340, 102207, 111470, 116808, 123256, 131880, 132060, 133764, 136276, 146010, 154070, 156058, 167205, 170345, 184884, 194680, 204414, 222940, 231105, 234087, 264120, 267528, 272552, 292020, 308140, 312116, 334410, 340690, 345557, 369768, 390145, 408828, 445880, 462210, 468174, 511035, 584040, 616280, 624232, 668820, 681380, 691114, 780290, 817656, 924420, 936348, 1022070, 1036671, 1170435, 1337640, 1362760, 1382228, 1560580, 1727785, 1848840, 1872696, 2044140, 2073342, 2340870, 2418899, 2764456, 3121160, 3455570, 4088280, 4146684, 4681740, 4837798, 5183355, 6911140, 7256697, 8293368, 9363480, 9675596, 10366710, 12094495, 13822280, 14513394, 19351192, 20733420, 24188990, 29026788, 36283485, 41466840, 48377980, 58053576, 72566970, 96755960, 145133940, 290267880]

約数ペア:

[(1, 290267880), (2, 145133940), (3, 96755960), (4, 72566970), (5, 58053576), (6, 48377980), (7, 41466840), (8, 36283485), (10, 29026788), (12, 24188990), (14, 20733420), (15, 19351192), (20, 14513394), (21, 13822280), (24, 12094495), (28, 10366710), (30, 9675596), (31, 9363480), (35, 8293368), (40, 7256697), (42, 6911140), (56, 5183355), (60, 4837798), (62, 4681740), (70, 4146684), (71, 4088280), (84, 3455570), (93, 3121160), (105, 2764456), (120, 2418899), (124, 2340870), (140, 2073342), (142, 2044140), (155, 1872696), (157, 1848840), (168, 1727785), (186, 1560580), (210, 1382228), (213, 1362760), (217, 1337640), (248, 1170435), (280, 1036671), (284, 1022070), (310, 936348), (314, 924420), (355, 817656), (372, 780290), (420, 691114), (426, 681380), (434, 668820), (465, 624232), (471, 616280), (497, 584040), (568, 511035), (620, 468174), (628, 462210), (651, 445880), (710, 408828), (744, 390145), (785, 369768), (840, 345557), (852, 340690), (868, 334410), (930, 312116), (942, 308140), (994, 292020), (1065, 272552), (1085, 267528), (1099, 264120), (1240, 234087), (1256, 231105), (1302, 222940), (1420, 204414), (1491, 194680), (1570, 184884), (1704, 170345), (1736, 167205), (1860, 156058), (1884, 154070), (1988, 146010), (2130, 136276), (2170, 133764), (2198, 132060), (2201, 131880), (2355, 123256), (2485, 116808), (2604, 111470), (2840, 102207), (2982, 97340), (3140, 92442), (3255, 89176), (3297, 88040), (3720, 78029), (3768, 77035), (3976, 73005), (4260, 68138), (4340, 66882), (4396, 66030), (4402, 65940), (4710, 61628), (4867, 59640), (4970, 58404), (5208, 55735), (5495, 52824), (5964, 48670), (6280, 46221), (6510, 44588), (6594, 44020), (6603, 43960), (7455, 38936), (8520, 34069), (8680, 33441), (8792, 33015), (8804, 32970), (9420, 30814), (9734, 29820), (9940, 29202), (10990, 26412), (11005, 26376), (11147, 26040), (11928, 24335), (13020, 22294), (13188, 22010), (13206, 21980), (14601, 19880), (14910, 19468), (15407, 18840), (16485, 17608)]