81736680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{389}}^1$

素因数の和:523

約数の個数: 128

約数和(自身を含む): 262828800

約数和(自身を除く): 181092120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 68, 85, 102, 103, 120, 136, 170, 204, 206, 255, 309, 340, 389, 408, 412, 510, 515, 618, 680, 778, 824, 1020, 1030, 1167, 1236, 1545, 1556, 1751, 1945, 2040, 2060, 2334, 2472, 3090, 3112, 3502, 3890, 4120, 4668, 5253, 5835, 6180, 6613, 7004, 7780, 8755, 9336, 10506, 11670, 12360, 13226, 14008, 15560, 17510, 19839, 21012, 23340, 26265, 26452, 33065, 35020, 39678, 40067, 42024, 46680, 52530, 52904, 66130, 70040, 79356, 80134, 99195, 105060, 120201, 132260, 158712, 160268, 198390, 200335, 210120, 240402, 264520, 320536, 396780, 400670, 480804, 601005, 681139, 793560, 801340, 961608, 1202010, 1362278, 1602680, 2043417, 2404020, 2724556, 3405695, 4086834, 4808040, 5449112, 6811390, 8173668, 10217085, 13622780, 16347336, 20434170, 27245560, 40868340, 81736680]

約数ペア:

[(1, 81736680), (2, 40868340), (3, 27245560), (4, 20434170), (5, 16347336), (6, 13622780), (8, 10217085), (10, 8173668), (12, 6811390), (15, 5449112), (17, 4808040), (20, 4086834), (24, 3405695), (30, 2724556), (34, 2404020), (40, 2043417), (51, 1602680), (60, 1362278), (68, 1202010), (85, 961608), (102, 801340), (103, 793560), (120, 681139), (136, 601005), (170, 480804), (204, 400670), (206, 396780), (255, 320536), (309, 264520), (340, 240402), (389, 210120), (408, 200335), (412, 198390), (510, 160268), (515, 158712), (618, 132260), (680, 120201), (778, 105060), (824, 99195), (1020, 80134), (1030, 79356), (1167, 70040), (1236, 66130), (1545, 52904), (1556, 52530), (1751, 46680), (1945, 42024), (2040, 40067), (2060, 39678), (2334, 35020), (2472, 33065), (3090, 26452), (3112, 26265), (3502, 23340), (3890, 21012), (4120, 19839), (4668, 17510), (5253, 15560), (5835, 14008), (6180, 13226), (6613, 12360), (7004, 11670), (7780, 10506), (8755, 9336)]