31137540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 192

約数和(自身を含む): 108864000

約数和(自身を除く): 77726460

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 49, 51, 60, 68, 70, 84, 85, 89, 98, 102, 105, 119, 140, 147, 170, 178, 196, 204, 210, 238, 245, 255, 267, 294, 340, 343, 356, 357, 420, 445, 476, 490, 510, 534, 588, 595, 623, 686, 714, 735, 833, 890, 980, 1020, 1029, 1068, 1190, 1246, 1335, 1372, 1428, 1470, 1513, 1666, 1715, 1780, 1785, 1869, 2058, 2380, 2492, 2499, 2670, 2940, 3026, 3115, 3332, 3430, 3570, 3738, 4116, 4165, 4361, 4539, 4998, 5145, 5340, 5831, 6052, 6230, 6860, 7140, 7476, 7565, 8330, 8722, 9078, 9345, 9996, 10290, 10591, 11662, 12460, 12495, 13083, 15130, 16660, 17444, 17493, 18156, 18690, 20580, 21182, 21805, 22695, 23324, 24990, 26166, 29155, 30260, 30527, 31773, 34986, 37380, 42364, 43610, 45390, 49980, 52332, 52955, 58310, 61054, 63546, 65415, 69972, 74137, 87220, 87465, 90780, 91581, 105910, 116620, 122108, 127092, 130830, 148274, 152635, 158865, 174930, 183162, 211820, 222411, 261660, 296548, 305270, 317730, 349860, 366324, 370685, 444822, 457905, 518959, 610540, 635460, 741370, 889644, 915810, 1037918, 1112055, 1482740, 1556877, 1831620, 2075836, 2224110, 2594795, 3113754, 4448220, 5189590, 6227508, 7784385, 10379180, 15568770, 31137540]

約数ペア:

[(1, 31137540), (2, 15568770), (3, 10379180), (4, 7784385), (5, 6227508), (6, 5189590), (7, 4448220), (10, 3113754), (12, 2594795), (14, 2224110), (15, 2075836), (17, 1831620), (20, 1556877), (21, 1482740), (28, 1112055), (30, 1037918), (34, 915810), (35, 889644), (42, 741370), (49, 635460), (51, 610540), (60, 518959), (68, 457905), (70, 444822), (84, 370685), (85, 366324), (89, 349860), (98, 317730), (102, 305270), (105, 296548), (119, 261660), (140, 222411), (147, 211820), (170, 183162), (178, 174930), (196, 158865), (204, 152635), (210, 148274), (238, 130830), (245, 127092), (255, 122108), (267, 116620), (294, 105910), (340, 91581), (343, 90780), (356, 87465), (357, 87220), (420, 74137), (445, 69972), (476, 65415), (490, 63546), (510, 61054), (534, 58310), (588, 52955), (595, 52332), (623, 49980), (686, 45390), (714, 43610), (735, 42364), (833, 37380), (890, 34986), (980, 31773), (1020, 30527), (1029, 30260), (1068, 29155), (1190, 26166), (1246, 24990), (1335, 23324), (1372, 22695), (1428, 21805), (1470, 21182), (1513, 20580), (1666, 18690), (1715, 18156), (1780, 17493), (1785, 17444), (1869, 16660), (2058, 15130), (2380, 13083), (2492, 12495), (2499, 12460), (2670, 11662), (2940, 10591), (3026, 10290), (3115, 9996), (3332, 9345), (3430, 9078), (3570, 8722), (3738, 8330), (4116, 7565), (4165, 7476), (4361, 7140), (4539, 6860), (4998, 6230), (5145, 6052), (5340, 5831)]