212289240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:577

約数の個数: 128

約数和(自身を含む): 663552000

約数和(自身を除く): 451262760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 186, 248, 298, 310, 372, 383, 447, 465, 596, 620, 744, 745, 766, 894, 930, 1149, 1192, 1240, 1490, 1532, 1788, 1860, 1915, 2235, 2298, 2980, 3064, 3576, 3720, 3830, 4470, 4596, 4619, 5745, 5960, 7660, 8940, 9192, 9238, 11490, 11873, 13857, 15320, 17880, 18476, 22980, 23095, 23746, 27714, 35619, 36952, 45960, 46190, 47492, 55428, 57067, 59365, 69285, 71238, 92380, 94984, 110856, 114134, 118730, 138570, 142476, 171201, 178095, 184760, 228268, 237460, 277140, 284952, 285335, 342402, 356190, 456536, 474920, 554280, 570670, 684804, 712380, 856005, 1141340, 1369608, 1424760, 1712010, 1769077, 2282680, 3424020, 3538154, 5307231, 6848040, 7076308, 8845385, 10614462, 14152616, 17690770, 21228924, 26536155, 35381540, 42457848, 53072310, 70763080, 106144620, 212289240]

約数ペア:

[(1, 212289240), (2, 106144620), (3, 70763080), (4, 53072310), (5, 42457848), (6, 35381540), (8, 26536155), (10, 21228924), (12, 17690770), (15, 14152616), (20, 10614462), (24, 8845385), (30, 7076308), (31, 6848040), (40, 5307231), (60, 3538154), (62, 3424020), (93, 2282680), (120, 1769077), (124, 1712010), (149, 1424760), (155, 1369608), (186, 1141340), (248, 856005), (298, 712380), (310, 684804), (372, 570670), (383, 554280), (447, 474920), (465, 456536), (596, 356190), (620, 342402), (744, 285335), (745, 284952), (766, 277140), (894, 237460), (930, 228268), (1149, 184760), (1192, 178095), (1240, 171201), (1490, 142476), (1532, 138570), (1788, 118730), (1860, 114134), (1915, 110856), (2235, 94984), (2298, 92380), (2980, 71238), (3064, 69285), (3576, 59365), (3720, 57067), (3830, 55428), (4470, 47492), (4596, 46190), (4619, 45960), (5745, 36952), (5960, 35619), (7660, 27714), (8940, 23746), (9192, 23095), (9238, 22980), (11490, 18476), (11873, 17880), (13857, 15320)]