68780040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2213}}^1$

素因数の和:2271

約数の個数: 128

約数和(自身を含む): 242300160

約数和(自身を除く): 173520120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 1036, 1110, 1295, 1480, 1554, 2072, 2213, 2220, 2590, 3108, 3885, 4426, 4440, 5180, 6216, 6639, 7770, 8852, 10360, 11065, 13278, 15491, 15540, 17704, 22130, 26556, 30982, 31080, 33195, 44260, 46473, 53112, 61964, 66390, 77455, 81881, 88520, 92946, 123928, 132780, 154910, 163762, 185892, 232365, 245643, 265560, 309820, 327524, 371784, 409405, 464730, 491286, 573167, 619640, 655048, 818810, 929460, 982572, 1146334, 1228215, 1637620, 1719501, 1858920, 1965144, 2292668, 2456430, 2865835, 3275240, 3439002, 4585336, 4912860, 5731670, 6878004, 8597505, 9825720, 11463340, 13756008, 17195010, 22926680, 34390020, 68780040]

約数ペア:

[(1, 68780040), (2, 34390020), (3, 22926680), (4, 17195010), (5, 13756008), (6, 11463340), (7, 9825720), (8, 8597505), (10, 6878004), (12, 5731670), (14, 4912860), (15, 4585336), (20, 3439002), (21, 3275240), (24, 2865835), (28, 2456430), (30, 2292668), (35, 1965144), (37, 1858920), (40, 1719501), (42, 1637620), (56, 1228215), (60, 1146334), (70, 982572), (74, 929460), (84, 818810), (105, 655048), (111, 619640), (120, 573167), (140, 491286), (148, 464730), (168, 409405), (185, 371784), (210, 327524), (222, 309820), (259, 265560), (280, 245643), (296, 232365), (370, 185892), (420, 163762), (444, 154910), (518, 132780), (555, 123928), (740, 92946), (777, 88520), (840, 81881), (888, 77455), (1036, 66390), (1110, 61964), (1295, 53112), (1480, 46473), (1554, 44260), (2072, 33195), (2213, 31080), (2220, 30982), (2590, 26556), (3108, 22130), (3885, 17704), (4426, 15540), (4440, 15491), (5180, 13278), (6216, 11065), (6639, 10360), (7770, 8852)]