74723840

素因数分解:

$2^9\times 5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1$

素因数の和:158

約数の個数: 120

約数和(自身を含む): 192205332

約数和(自身を除く): 117481492

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 101, 128, 136, 160, 170, 202, 256, 272, 289, 320, 340, 404, 505, 512, 544, 578, 640, 680, 808, 1010, 1088, 1156, 1280, 1360, 1445, 1616, 1717, 2020, 2176, 2312, 2560, 2720, 2890, 3232, 3434, 4040, 4352, 4624, 5440, 5780, 6464, 6868, 8080, 8585, 8704, 9248, 10880, 11560, 12928, 13736, 16160, 17170, 18496, 21760, 23120, 25856, 27472, 29189, 32320, 34340, 36992, 43520, 46240, 51712, 54944, 58378, 64640, 68680, 73984, 92480, 109888, 116756, 129280, 137360, 145945, 147968, 184960, 219776, 233512, 258560, 274720, 291890, 369920, 439552, 467024, 549440, 583780, 739840, 879104, 934048, 1098880, 1167560, 1868096, 2197760, 2335120, 3736192, 4395520, 4670240, 7472384, 9340480, 14944768, 18680960, 37361920, 74723840]

約数ペア:

[(1, 74723840), (2, 37361920), (4, 18680960), (5, 14944768), (8, 9340480), (10, 7472384), (16, 4670240), (17, 4395520), (20, 3736192), (32, 2335120), (34, 2197760), (40, 1868096), (64, 1167560), (68, 1098880), (80, 934048), (85, 879104), (101, 739840), (128, 583780), (136, 549440), (160, 467024), (170, 439552), (202, 369920), (256, 291890), (272, 274720), (289, 258560), (320, 233512), (340, 219776), (404, 184960), (505, 147968), (512, 145945), (544, 137360), (578, 129280), (640, 116756), (680, 109888), (808, 92480), (1010, 73984), (1088, 68680), (1156, 64640), (1280, 58378), (1360, 54944), (1445, 51712), (1616, 46240), (1717, 43520), (2020, 36992), (2176, 34340), (2312, 32320), (2560, 29189), (2720, 27472), (2890, 25856), (3232, 23120), (3434, 21760), (4040, 18496), (4352, 17170), (4624, 16160), (5440, 13736), (5780, 12928), (6464, 11560), (6868, 10880), (8080, 9248), (8585, 8704)]