215016880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 160

約数和(自身を含む): 573713280

約数和(自身を除く): 358696400

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 89, 92, 101, 104, 115, 130, 178, 184, 202, 208, 230, 260, 299, 356, 368, 404, 445, 460, 505, 520, 598, 712, 808, 890, 920, 1010, 1040, 1157, 1196, 1313, 1424, 1495, 1616, 1780, 1840, 2020, 2047, 2314, 2323, 2392, 2626, 2990, 3560, 4040, 4094, 4628, 4646, 4784, 5252, 5785, 5980, 6565, 7120, 8080, 8188, 8989, 9256, 9292, 10235, 10504, 11570, 11615, 11960, 13130, 16376, 17978, 18512, 18584, 20470, 21008, 23140, 23230, 23920, 26260, 26611, 30199, 32752, 35956, 37168, 40940, 44945, 46280, 46460, 52520, 53222, 60398, 71912, 81880, 89890, 92560, 92920, 105040, 106444, 116857, 120796, 133055, 143824, 150995, 163760, 179780, 185840, 206747, 212888, 233714, 241592, 266110, 301990, 359560, 413494, 425776, 467428, 483184, 532220, 584285, 603980, 719120, 826988, 934856, 1033735, 1064440, 1168570, 1207960, 1653976, 1869712, 2067470, 2128880, 2337140, 2415920, 2687711, 3307952, 4134940, 4674280, 5375422, 8269880, 9348560, 10750844, 13438555, 16539760, 21501688, 26877110, 43003376, 53754220, 107508440, 215016880]

約数ペア:

[(1, 215016880), (2, 107508440), (4, 53754220), (5, 43003376), (8, 26877110), (10, 21501688), (13, 16539760), (16, 13438555), (20, 10750844), (23, 9348560), (26, 8269880), (40, 5375422), (46, 4674280), (52, 4134940), (65, 3307952), (80, 2687711), (89, 2415920), (92, 2337140), (101, 2128880), (104, 2067470), (115, 1869712), (130, 1653976), (178, 1207960), (184, 1168570), (202, 1064440), (208, 1033735), (230, 934856), (260, 826988), (299, 719120), (356, 603980), (368, 584285), (404, 532220), (445, 483184), (460, 467428), (505, 425776), (520, 413494), (598, 359560), (712, 301990), (808, 266110), (890, 241592), (920, 233714), (1010, 212888), (1040, 206747), (1157, 185840), (1196, 179780), (1313, 163760), (1424, 150995), (1495, 143824), (1616, 133055), (1780, 120796), (1840, 116857), (2020, 106444), (2047, 105040), (2314, 92920), (2323, 92560), (2392, 89890), (2626, 81880), (2990, 71912), (3560, 60398), (4040, 53222), (4094, 52520), (4628, 46460), (4646, 46280), (4784, 44945), (5252, 40940), (5785, 37168), (5980, 35956), (6565, 32752), (7120, 30199), (8080, 26611), (8188, 26260), (8989, 23920), (9256, 23230), (9292, 23140), (10235, 21008), (10504, 20470), (11570, 18584), (11615, 18512), (11960, 17978), (13130, 16376)]