316531840

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1$

素因数の和:702

約数の個数: 128

約数和(自身を含む): 819590400

約数和(自身を除く): 503058560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 47, 64, 68, 80, 85, 94, 128, 136, 160, 170, 188, 235, 272, 320, 340, 376, 470, 544, 619, 640, 680, 752, 799, 940, 1088, 1238, 1360, 1504, 1598, 1880, 2176, 2476, 2720, 3008, 3095, 3196, 3760, 3995, 4952, 5440, 6016, 6190, 6392, 7520, 7990, 9904, 10523, 10880, 12380, 12784, 15040, 15980, 19808, 21046, 24760, 25568, 29093, 30080, 31960, 39616, 42092, 49520, 51136, 52615, 58186, 63920, 79232, 84184, 99040, 102272, 105230, 116372, 127840, 145465, 168368, 198080, 210460, 232744, 255680, 290930, 336736, 396160, 420920, 465488, 494581, 511360, 581860, 673472, 841840, 930976, 989162, 1163720, 1346944, 1683680, 1861952, 1978324, 2327440, 2472905, 3367360, 3723904, 3956648, 4654880, 4945810, 6734720, 7913296, 9309760, 9891620, 15826592, 18619520, 19783240, 31653184, 39566480, 63306368, 79132960, 158265920, 316531840]

約数ペア:

[(1, 316531840), (2, 158265920), (4, 79132960), (5, 63306368), (8, 39566480), (10, 31653184), (16, 19783240), (17, 18619520), (20, 15826592), (32, 9891620), (34, 9309760), (40, 7913296), (47, 6734720), (64, 4945810), (68, 4654880), (80, 3956648), (85, 3723904), (94, 3367360), (128, 2472905), (136, 2327440), (160, 1978324), (170, 1861952), (188, 1683680), (235, 1346944), (272, 1163720), (320, 989162), (340, 930976), (376, 841840), (470, 673472), (544, 581860), (619, 511360), (640, 494581), (680, 465488), (752, 420920), (799, 396160), (940, 336736), (1088, 290930), (1238, 255680), (1360, 232744), (1504, 210460), (1598, 198080), (1880, 168368), (2176, 145465), (2476, 127840), (2720, 116372), (3008, 105230), (3095, 102272), (3196, 99040), (3760, 84184), (3995, 79232), (4952, 63920), (5440, 58186), (6016, 52615), (6190, 51136), (6392, 49520), (7520, 42092), (7990, 39616), (9904, 31960), (10523, 30080), (10880, 29093), (12380, 25568), (12784, 24760), (15040, 21046), (15980, 19808)]