39981960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:220

約数の個数: 192

約数和(自身を含む): 141523200

約数和(自身を除く): 101541240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 47, 51, 60, 68, 72, 85, 90, 94, 102, 120, 136, 139, 141, 153, 170, 180, 188, 204, 235, 255, 278, 282, 306, 340, 360, 376, 408, 417, 423, 470, 510, 556, 564, 612, 680, 695, 705, 765, 799, 834, 846, 940, 1020, 1112, 1128, 1224, 1251, 1390, 1410, 1530, 1598, 1668, 1692, 1880, 2040, 2085, 2115, 2363, 2397, 2502, 2780, 2820, 3060, 3196, 3336, 3384, 3995, 4170, 4230, 4726, 4794, 5004, 5560, 5640, 6120, 6255, 6392, 6533, 7089, 7191, 7990, 8340, 8460, 9452, 9588, 10008, 11815, 11985, 12510, 13066, 14178, 14382, 15980, 16680, 16920, 18904, 19176, 19599, 21267, 23630, 23970, 25020, 26132, 28356, 28764, 31960, 32665, 35445, 35955, 39198, 42534, 47260, 47940, 50040, 52264, 56712, 57528, 58797, 65330, 70890, 71910, 78396, 85068, 94520, 95880, 97995, 106335, 111061, 117594, 130660, 141780, 143820, 156792, 170136, 195990, 212670, 222122, 235188, 261320, 283560, 287640, 293985, 333183, 391980, 425340, 444244, 470376, 555305, 587970, 666366, 783960, 850680, 888488, 999549, 1110610, 1175940, 1332732, 1665915, 1999098, 2221220, 2351880, 2665464, 3331830, 3998196, 4442440, 4997745, 6663660, 7996392, 9995490, 13327320, 19990980, 39981960]

約数ペア:

[(1, 39981960), (2, 19990980), (3, 13327320), (4, 9995490), (5, 7996392), (6, 6663660), (8, 4997745), (9, 4442440), (10, 3998196), (12, 3331830), (15, 2665464), (17, 2351880), (18, 2221220), (20, 1999098), (24, 1665915), (30, 1332732), (34, 1175940), (36, 1110610), (40, 999549), (45, 888488), (47, 850680), (51, 783960), (60, 666366), (68, 587970), (72, 555305), (85, 470376), (90, 444244), (94, 425340), (102, 391980), (120, 333183), (136, 293985), (139, 287640), (141, 283560), (153, 261320), (170, 235188), (180, 222122), (188, 212670), (204, 195990), (235, 170136), (255, 156792), (278, 143820), (282, 141780), (306, 130660), (340, 117594), (360, 111061), (376, 106335), (408, 97995), (417, 95880), (423, 94520), (470, 85068), (510, 78396), (556, 71910), (564, 70890), (612, 65330), (680, 58797), (695, 57528), (705, 56712), (765, 52264), (799, 50040), (834, 47940), (846, 47260), (940, 42534), (1020, 39198), (1112, 35955), (1128, 35445), (1224, 32665), (1251, 31960), (1390, 28764), (1410, 28356), (1530, 26132), (1598, 25020), (1668, 23970), (1692, 23630), (1880, 21267), (2040, 19599), (2085, 19176), (2115, 18904), (2363, 16920), (2397, 16680), (2502, 15980), (2780, 14382), (2820, 14178), (3060, 13066), (3196, 12510), (3336, 11985), (3384, 11815), (3995, 10008), (4170, 9588), (4230, 9452), (4726, 8460), (4794, 8340), (5004, 7990), (5560, 7191), (5640, 7089), (6120, 6533), (6255, 6392)]