71801880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:669

約数の個数: 128

約数和(自身を含む): 232217280

約数和(自身を除く): 160415400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 34, 40, 51, 60, 61, 68, 85, 102, 120, 122, 136, 170, 183, 204, 244, 255, 305, 340, 366, 408, 488, 510, 577, 610, 680, 732, 915, 1020, 1037, 1154, 1220, 1464, 1731, 1830, 2040, 2074, 2308, 2440, 2885, 3111, 3462, 3660, 4148, 4616, 5185, 5770, 6222, 6924, 7320, 8296, 8655, 9809, 10370, 11540, 12444, 13848, 15555, 17310, 19618, 20740, 23080, 24888, 29427, 31110, 34620, 35197, 39236, 41480, 49045, 58854, 62220, 69240, 70394, 78472, 98090, 105591, 117708, 124440, 140788, 147135, 175985, 196180, 211182, 235416, 281576, 294270, 351970, 392360, 422364, 527955, 588540, 598349, 703940, 844728, 1055910, 1177080, 1196698, 1407880, 1795047, 2111820, 2393396, 2991745, 3590094, 4223640, 4786792, 5983490, 7180188, 8975235, 11966980, 14360376, 17950470, 23933960, 35900940, 71801880]

約数ペア:

[(1, 71801880), (2, 35900940), (3, 23933960), (4, 17950470), (5, 14360376), (6, 11966980), (8, 8975235), (10, 7180188), (12, 5983490), (15, 4786792), (17, 4223640), (20, 3590094), (24, 2991745), (30, 2393396), (34, 2111820), (40, 1795047), (51, 1407880), (60, 1196698), (61, 1177080), (68, 1055910), (85, 844728), (102, 703940), (120, 598349), (122, 588540), (136, 527955), (170, 422364), (183, 392360), (204, 351970), (244, 294270), (255, 281576), (305, 235416), (340, 211182), (366, 196180), (408, 175985), (488, 147135), (510, 140788), (577, 124440), (610, 117708), (680, 105591), (732, 98090), (915, 78472), (1020, 70394), (1037, 69240), (1154, 62220), (1220, 58854), (1464, 49045), (1731, 41480), (1830, 39236), (2040, 35197), (2074, 34620), (2308, 31110), (2440, 29427), (2885, 24888), (3111, 23080), (3462, 20740), (3660, 19618), (4148, 17310), (4616, 15555), (5185, 13848), (5770, 12444), (6222, 11540), (6924, 10370), (7320, 9809), (8296, 8655)]