8939640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 128

約数和(自身を含む): 29030400

約数和(自身を除く): 20090760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 41, 46, 60, 69, 79, 82, 92, 115, 120, 123, 138, 158, 164, 184, 205, 230, 237, 246, 276, 316, 328, 345, 395, 410, 460, 474, 492, 552, 615, 632, 690, 790, 820, 920, 943, 948, 984, 1185, 1230, 1380, 1580, 1640, 1817, 1886, 1896, 2370, 2460, 2760, 2829, 3160, 3239, 3634, 3772, 4715, 4740, 4920, 5451, 5658, 6478, 7268, 7544, 9085, 9430, 9480, 9717, 10902, 11316, 12956, 14145, 14536, 16195, 18170, 18860, 19434, 21804, 22632, 25912, 27255, 28290, 32390, 36340, 37720, 38868, 43608, 48585, 54510, 56580, 64780, 72680, 74497, 77736, 97170, 109020, 113160, 129560, 148994, 194340, 218040, 223491, 297988, 372485, 388680, 446982, 595976, 744970, 893964, 1117455, 1489940, 1787928, 2234910, 2979880, 4469820, 8939640]

約数ペア:

[(1, 8939640), (2, 4469820), (3, 2979880), (4, 2234910), (5, 1787928), (6, 1489940), (8, 1117455), (10, 893964), (12, 744970), (15, 595976), (20, 446982), (23, 388680), (24, 372485), (30, 297988), (40, 223491), (41, 218040), (46, 194340), (60, 148994), (69, 129560), (79, 113160), (82, 109020), (92, 97170), (115, 77736), (120, 74497), (123, 72680), (138, 64780), (158, 56580), (164, 54510), (184, 48585), (205, 43608), (230, 38868), (237, 37720), (246, 36340), (276, 32390), (316, 28290), (328, 27255), (345, 25912), (395, 22632), (410, 21804), (460, 19434), (474, 18860), (492, 18170), (552, 16195), (615, 14536), (632, 14145), (690, 12956), (790, 11316), (820, 10902), (920, 9717), (943, 9480), (948, 9430), (984, 9085), (1185, 7544), (1230, 7268), (1380, 6478), (1580, 5658), (1640, 5451), (1817, 4920), (1886, 4740), (1896, 4715), (2370, 3772), (2460, 3634), (2760, 3239), (2829, 3160)]