253907360

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 192

約数和(自身を含む): 724598784

約数和(自身を除く): 470691424

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 71, 80, 103, 112, 124, 140, 142, 155, 160, 206, 217, 224, 248, 280, 284, 310, 355, 412, 434, 496, 497, 515, 560, 568, 620, 710, 721, 824, 868, 992, 994, 1030, 1085, 1120, 1136, 1240, 1420, 1442, 1648, 1736, 1988, 2060, 2170, 2201, 2272, 2480, 2485, 2840, 2884, 3193, 3296, 3472, 3605, 3976, 4120, 4340, 4402, 4960, 4970, 5680, 5768, 6386, 6944, 7210, 7313, 7952, 8240, 8680, 8804, 9940, 11005, 11360, 11536, 12772, 14420, 14626, 15407, 15904, 15965, 16480, 17360, 17608, 19880, 22010, 22351, 23072, 25544, 28840, 29252, 30814, 31930, 34720, 35216, 36565, 39760, 44020, 44702, 51088, 51191, 57680, 58504, 61628, 63860, 70432, 73130, 77035, 79520, 88040, 89404, 102176, 102382, 111755, 115360, 117008, 123256, 127720, 146260, 154070, 176080, 178808, 204764, 223510, 226703, 234016, 246512, 255440, 255955, 292520, 308140, 352160, 357616, 409528, 447020, 453406, 493024, 510880, 511910, 585040, 616280, 715232, 819056, 894040, 906812, 1023820, 1133515, 1170080, 1232560, 1586921, 1638112, 1788080, 1813624, 2047640, 2267030, 2465120, 3173842, 3576160, 3627248, 4095280, 4534060, 6347684, 7254496, 7934605, 8190560, 9068120, 12695368, 15869210, 18136240, 25390736, 31738420, 36272480, 50781472, 63476840, 126953680, 253907360]

約数ペア:

[(1, 253907360), (2, 126953680), (4, 63476840), (5, 50781472), (7, 36272480), (8, 31738420), (10, 25390736), (14, 18136240), (16, 15869210), (20, 12695368), (28, 9068120), (31, 8190560), (32, 7934605), (35, 7254496), (40, 6347684), (56, 4534060), (62, 4095280), (70, 3627248), (71, 3576160), (80, 3173842), (103, 2465120), (112, 2267030), (124, 2047640), (140, 1813624), (142, 1788080), (155, 1638112), (160, 1586921), (206, 1232560), (217, 1170080), (224, 1133515), (248, 1023820), (280, 906812), (284, 894040), (310, 819056), (355, 715232), (412, 616280), (434, 585040), (496, 511910), (497, 510880), (515, 493024), (560, 453406), (568, 447020), (620, 409528), (710, 357616), (721, 352160), (824, 308140), (868, 292520), (992, 255955), (994, 255440), (1030, 246512), (1085, 234016), (1120, 226703), (1136, 223510), (1240, 204764), (1420, 178808), (1442, 176080), (1648, 154070), (1736, 146260), (1988, 127720), (2060, 123256), (2170, 117008), (2201, 115360), (2272, 111755), (2480, 102382), (2485, 102176), (2840, 89404), (2884, 88040), (3193, 79520), (3296, 77035), (3472, 73130), (3605, 70432), (3976, 63860), (4120, 61628), (4340, 58504), (4402, 57680), (4960, 51191), (4970, 51088), (5680, 44702), (5768, 44020), (6386, 39760), (6944, 36565), (7210, 35216), (7313, 34720), (7952, 31930), (8240, 30814), (8680, 29252), (8804, 28840), (9940, 25544), (11005, 23072), (11360, 22351), (11536, 22010), (12772, 19880), (14420, 17608), (14626, 17360), (15407, 16480), (15904, 15965)]