90454280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:679

約数の個数: 128

約数和(自身を含む): 254638080

約数和(自身を除く): 164183800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 31, 34, 35, 40, 56, 62, 68, 70, 85, 119, 124, 136, 140, 155, 170, 217, 238, 248, 280, 310, 340, 434, 476, 527, 595, 613, 620, 680, 868, 952, 1054, 1085, 1190, 1226, 1240, 1736, 2108, 2170, 2380, 2452, 2635, 3065, 3689, 4216, 4291, 4340, 4760, 4904, 5270, 6130, 7378, 8582, 8680, 10421, 10540, 12260, 14756, 17164, 18445, 19003, 20842, 21080, 21455, 24520, 29512, 34328, 36890, 38006, 41684, 42910, 52105, 72947, 73780, 76012, 83368, 85820, 95015, 104210, 133021, 145894, 147560, 152024, 171640, 190030, 208420, 266042, 291788, 323051, 364735, 380060, 416840, 532084, 583576, 646102, 665105, 729470, 760120, 1064168, 1292204, 1330210, 1458940, 1615255, 2261357, 2584408, 2660420, 2917880, 3230510, 4522714, 5320840, 6461020, 9045428, 11306785, 12922040, 18090856, 22613570, 45227140, 90454280]

約数ペア:

[(1, 90454280), (2, 45227140), (4, 22613570), (5, 18090856), (7, 12922040), (8, 11306785), (10, 9045428), (14, 6461020), (17, 5320840), (20, 4522714), (28, 3230510), (31, 2917880), (34, 2660420), (35, 2584408), (40, 2261357), (56, 1615255), (62, 1458940), (68, 1330210), (70, 1292204), (85, 1064168), (119, 760120), (124, 729470), (136, 665105), (140, 646102), (155, 583576), (170, 532084), (217, 416840), (238, 380060), (248, 364735), (280, 323051), (310, 291788), (340, 266042), (434, 208420), (476, 190030), (527, 171640), (595, 152024), (613, 147560), (620, 145894), (680, 133021), (868, 104210), (952, 95015), (1054, 85820), (1085, 83368), (1190, 76012), (1226, 73780), (1240, 72947), (1736, 52105), (2108, 42910), (2170, 41684), (2380, 38006), (2452, 36890), (2635, 34328), (3065, 29512), (3689, 24520), (4216, 21455), (4291, 21080), (4340, 20842), (4760, 19003), (4904, 18445), (5270, 17164), (6130, 14756), (7378, 12260), (8582, 10540), (8680, 10421)]