31189620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:230

約数の個数: 192

約数和(自身を含む): 112121856

約数和(自身を除く): 80932236

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 43, 44, 55, 60, 66, 70, 77, 84, 86, 105, 110, 129, 132, 140, 154, 157, 165, 172, 210, 215, 220, 231, 258, 301, 308, 314, 330, 385, 420, 430, 462, 471, 473, 516, 602, 628, 645, 660, 770, 785, 860, 903, 924, 942, 946, 1099, 1155, 1204, 1290, 1419, 1505, 1540, 1570, 1727, 1806, 1884, 1892, 2198, 2310, 2355, 2365, 2580, 2838, 3010, 3140, 3297, 3311, 3454, 3612, 4396, 4515, 4620, 4710, 4730, 5181, 5495, 5676, 6020, 6594, 6622, 6751, 6908, 7095, 8635, 9030, 9420, 9460, 9933, 10362, 10990, 12089, 13188, 13244, 13502, 14190, 16485, 16555, 17270, 18060, 19866, 20253, 20724, 21980, 24178, 25905, 27004, 28380, 32970, 33110, 33755, 34540, 36267, 39732, 40506, 47257, 48356, 49665, 51810, 60445, 65940, 66220, 67510, 72534, 74261, 81012, 94514, 99330, 101265, 103620, 120890, 135020, 141771, 145068, 148522, 181335, 189028, 198660, 202530, 222783, 236285, 241780, 283542, 297044, 362670, 371305, 405060, 445566, 472570, 519827, 567084, 708855, 725340, 742610, 891132, 945140, 1039654, 1113915, 1417710, 1485220, 1559481, 2079308, 2227830, 2599135, 2835420, 3118962, 4455660, 5198270, 6237924, 7797405, 10396540, 15594810, 31189620]

約数ペア:

[(1, 31189620), (2, 15594810), (3, 10396540), (4, 7797405), (5, 6237924), (6, 5198270), (7, 4455660), (10, 3118962), (11, 2835420), (12, 2599135), (14, 2227830), (15, 2079308), (20, 1559481), (21, 1485220), (22, 1417710), (28, 1113915), (30, 1039654), (33, 945140), (35, 891132), (42, 742610), (43, 725340), (44, 708855), (55, 567084), (60, 519827), (66, 472570), (70, 445566), (77, 405060), (84, 371305), (86, 362670), (105, 297044), (110, 283542), (129, 241780), (132, 236285), (140, 222783), (154, 202530), (157, 198660), (165, 189028), (172, 181335), (210, 148522), (215, 145068), (220, 141771), (231, 135020), (258, 120890), (301, 103620), (308, 101265), (314, 99330), (330, 94514), (385, 81012), (420, 74261), (430, 72534), (462, 67510), (471, 66220), (473, 65940), (516, 60445), (602, 51810), (628, 49665), (645, 48356), (660, 47257), (770, 40506), (785, 39732), (860, 36267), (903, 34540), (924, 33755), (942, 33110), (946, 32970), (1099, 28380), (1155, 27004), (1204, 25905), (1290, 24178), (1419, 21980), (1505, 20724), (1540, 20253), (1570, 19866), (1727, 18060), (1806, 17270), (1884, 16555), (1892, 16485), (2198, 14190), (2310, 13502), (2355, 13244), (2365, 13188), (2580, 12089), (2838, 10990), (3010, 10362), (3140, 9933), (3297, 9460), (3311, 9420), (3454, 9030), (3612, 8635), (4396, 7095), (4515, 6908), (4620, 6751), (4710, 6622), (4730, 6594), (5181, 6020), (5495, 5676)]