127959680

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{619}}^1$

素因数の和:674

約数の個数: 128

約数和(自身を含む): 341496000

約数和(自身を除く): 213536320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 19, 20, 32, 34, 38, 40, 64, 68, 76, 80, 85, 95, 128, 136, 152, 160, 170, 190, 272, 304, 320, 323, 340, 380, 544, 608, 619, 640, 646, 680, 760, 1088, 1216, 1238, 1292, 1360, 1520, 1615, 2176, 2432, 2476, 2584, 2720, 3040, 3095, 3230, 4952, 5168, 5440, 6080, 6190, 6460, 9904, 10336, 10523, 10880, 11761, 12160, 12380, 12920, 19808, 20672, 21046, 23522, 24760, 25840, 39616, 41344, 42092, 47044, 49520, 51680, 52615, 58805, 79232, 84184, 94088, 99040, 103360, 105230, 117610, 168368, 188176, 198080, 199937, 206720, 210460, 235220, 336736, 376352, 396160, 399874, 420920, 470440, 673472, 752704, 799748, 841840, 940880, 999685, 1346944, 1505408, 1599496, 1683680, 1881760, 1999370, 3198992, 3367360, 3763520, 3998740, 6397984, 6734720, 7527040, 7997480, 12795968, 15994960, 25591936, 31989920, 63979840, 127959680]

約数ペア:

[(1, 127959680), (2, 63979840), (4, 31989920), (5, 25591936), (8, 15994960), (10, 12795968), (16, 7997480), (17, 7527040), (19, 6734720), (20, 6397984), (32, 3998740), (34, 3763520), (38, 3367360), (40, 3198992), (64, 1999370), (68, 1881760), (76, 1683680), (80, 1599496), (85, 1505408), (95, 1346944), (128, 999685), (136, 940880), (152, 841840), (160, 799748), (170, 752704), (190, 673472), (272, 470440), (304, 420920), (320, 399874), (323, 396160), (340, 376352), (380, 336736), (544, 235220), (608, 210460), (619, 206720), (640, 199937), (646, 198080), (680, 188176), (760, 168368), (1088, 117610), (1216, 105230), (1238, 103360), (1292, 99040), (1360, 94088), (1520, 84184), (1615, 79232), (2176, 58805), (2432, 52615), (2476, 51680), (2584, 49520), (2720, 47044), (3040, 42092), (3095, 41344), (3230, 39616), (4952, 25840), (5168, 24760), (5440, 23522), (6080, 21046), (6190, 20672), (6460, 19808), (9904, 12920), (10336, 12380), (10523, 12160), (10880, 11761)]