311981520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2207}}^1$

素因数の和:2273

約数の個数: 160

約数和(自身を含む): 1051361280

約数和(自身を除く): 739379760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 31, 38, 40, 48, 57, 60, 62, 76, 80, 93, 95, 114, 120, 124, 152, 155, 186, 190, 228, 240, 248, 285, 304, 310, 372, 380, 456, 465, 496, 570, 589, 620, 744, 760, 912, 930, 1140, 1178, 1240, 1488, 1520, 1767, 1860, 2207, 2280, 2356, 2480, 2945, 3534, 3720, 4414, 4560, 4712, 5890, 6621, 7068, 7440, 8828, 8835, 9424, 11035, 11780, 13242, 14136, 17656, 17670, 22070, 23560, 26484, 28272, 33105, 35312, 35340, 41933, 44140, 47120, 52968, 66210, 68417, 70680, 83866, 88280, 105936, 125799, 132420, 136834, 141360, 167732, 176560, 205251, 209665, 251598, 264840, 273668, 335464, 342085, 410502, 419330, 503196, 529680, 547336, 628995, 670928, 684170, 821004, 838660, 1006392, 1026255, 1094672, 1257990, 1299923, 1368340, 1642008, 1677320, 2012784, 2052510, 2515980, 2599846, 2736680, 3284016, 3354640, 3899769, 4105020, 5031960, 5199692, 5473360, 6499615, 7799538, 8210040, 10063920, 10399384, 12999230, 15599076, 16420080, 19498845, 20798768, 25998460, 31198152, 38997690, 51996920, 62396304, 77995380, 103993840, 155990760, 311981520]

約数ペア:

[(1, 311981520), (2, 155990760), (3, 103993840), (4, 77995380), (5, 62396304), (6, 51996920), (8, 38997690), (10, 31198152), (12, 25998460), (15, 20798768), (16, 19498845), (19, 16420080), (20, 15599076), (24, 12999230), (30, 10399384), (31, 10063920), (38, 8210040), (40, 7799538), (48, 6499615), (57, 5473360), (60, 5199692), (62, 5031960), (76, 4105020), (80, 3899769), (93, 3354640), (95, 3284016), (114, 2736680), (120, 2599846), (124, 2515980), (152, 2052510), (155, 2012784), (186, 1677320), (190, 1642008), (228, 1368340), (240, 1299923), (248, 1257990), (285, 1094672), (304, 1026255), (310, 1006392), (372, 838660), (380, 821004), (456, 684170), (465, 670928), (496, 628995), (570, 547336), (589, 529680), (620, 503196), (744, 419330), (760, 410502), (912, 342085), (930, 335464), (1140, 273668), (1178, 264840), (1240, 251598), (1488, 209665), (1520, 205251), (1767, 176560), (1860, 167732), (2207, 141360), (2280, 136834), (2356, 132420), (2480, 125799), (2945, 105936), (3534, 88280), (3720, 83866), (4414, 70680), (4560, 68417), (4712, 66210), (5890, 52968), (6621, 47120), (7068, 44140), (7440, 41933), (8828, 35340), (8835, 35312), (9424, 33105), (11035, 28272), (11780, 26484), (13242, 23560), (14136, 22070), (17656, 17670)]