51530580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:508

約数の個数: 144

約数和(自身を含む): 169513344

約数和(自身を除く): 117982764

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 27, 30, 36, 45, 46, 54, 60, 69, 81, 90, 92, 108, 115, 135, 138, 162, 180, 207, 230, 243, 270, 276, 324, 345, 405, 414, 460, 461, 486, 540, 621, 690, 810, 828, 922, 972, 1035, 1215, 1242, 1380, 1383, 1620, 1844, 1863, 2070, 2305, 2430, 2484, 2766, 3105, 3726, 4140, 4149, 4610, 4860, 5532, 5589, 6210, 6915, 7452, 8298, 9220, 9315, 10603, 11178, 12420, 12447, 13830, 16596, 18630, 20745, 21206, 22356, 24894, 27660, 27945, 31809, 37260, 37341, 41490, 42412, 49788, 53015, 55890, 62235, 63618, 74682, 82980, 95427, 106030, 111780, 112023, 124470, 127236, 149364, 159045, 186705, 190854, 212060, 224046, 248940, 286281, 318090, 373410, 381708, 448092, 477135, 560115, 572562, 636180, 746820, 858843, 954270, 1120230, 1145124, 1431405, 1717686, 1908540, 2240460, 2576529, 2862810, 3435372, 4294215, 5153058, 5725620, 8588430, 10306116, 12882645, 17176860, 25765290, 51530580]

約数ペア:

[(1, 51530580), (2, 25765290), (3, 17176860), (4, 12882645), (5, 10306116), (6, 8588430), (9, 5725620), (10, 5153058), (12, 4294215), (15, 3435372), (18, 2862810), (20, 2576529), (23, 2240460), (27, 1908540), (30, 1717686), (36, 1431405), (45, 1145124), (46, 1120230), (54, 954270), (60, 858843), (69, 746820), (81, 636180), (90, 572562), (92, 560115), (108, 477135), (115, 448092), (135, 381708), (138, 373410), (162, 318090), (180, 286281), (207, 248940), (230, 224046), (243, 212060), (270, 190854), (276, 186705), (324, 159045), (345, 149364), (405, 127236), (414, 124470), (460, 112023), (461, 111780), (486, 106030), (540, 95427), (621, 82980), (690, 74682), (810, 63618), (828, 62235), (922, 55890), (972, 53015), (1035, 49788), (1215, 42412), (1242, 41490), (1380, 37341), (1383, 37260), (1620, 31809), (1844, 27945), (1863, 27660), (2070, 24894), (2305, 22356), (2430, 21206), (2484, 20745), (2766, 18630), (3105, 16596), (3726, 13830), (4140, 12447), (4149, 12420), (4610, 11178), (4860, 10603), (5532, 9315), (5589, 9220), (6210, 8298), (6915, 7452)]