68889780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 144

約数和(自身を含む): 226437120

約数和(自身を除く): 157547340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 47, 51, 60, 68, 85, 90, 94, 102, 141, 153, 170, 180, 188, 204, 235, 255, 282, 306, 340, 423, 470, 479, 510, 564, 612, 705, 765, 799, 846, 940, 958, 1020, 1410, 1437, 1530, 1598, 1692, 1916, 2115, 2395, 2397, 2820, 2874, 3060, 3196, 3995, 4230, 4311, 4790, 4794, 5748, 7185, 7191, 7990, 8143, 8460, 8622, 9580, 9588, 11985, 14370, 14382, 15980, 16286, 17244, 21555, 22513, 23970, 24429, 28740, 28764, 32572, 35955, 40715, 43110, 45026, 47940, 48858, 67539, 71910, 73287, 81430, 86220, 90052, 97716, 112565, 122145, 135078, 143820, 146574, 162860, 202617, 225130, 244290, 270156, 293148, 337695, 366435, 382721, 405234, 450260, 488580, 675390, 732870, 765442, 810468, 1013085, 1148163, 1350780, 1465740, 1530884, 1913605, 2026170, 2296326, 3444489, 3827210, 4052340, 4592652, 5740815, 6888978, 7654420, 11481630, 13777956, 17222445, 22963260, 34444890, 68889780]

約数ペア:

[(1, 68889780), (2, 34444890), (3, 22963260), (4, 17222445), (5, 13777956), (6, 11481630), (9, 7654420), (10, 6888978), (12, 5740815), (15, 4592652), (17, 4052340), (18, 3827210), (20, 3444489), (30, 2296326), (34, 2026170), (36, 1913605), (45, 1530884), (47, 1465740), (51, 1350780), (60, 1148163), (68, 1013085), (85, 810468), (90, 765442), (94, 732870), (102, 675390), (141, 488580), (153, 450260), (170, 405234), (180, 382721), (188, 366435), (204, 337695), (235, 293148), (255, 270156), (282, 244290), (306, 225130), (340, 202617), (423, 162860), (470, 146574), (479, 143820), (510, 135078), (564, 122145), (612, 112565), (705, 97716), (765, 90052), (799, 86220), (846, 81430), (940, 73287), (958, 71910), (1020, 67539), (1410, 48858), (1437, 47940), (1530, 45026), (1598, 43110), (1692, 40715), (1916, 35955), (2115, 32572), (2395, 28764), (2397, 28740), (2820, 24429), (2874, 23970), (3060, 22513), (3196, 21555), (3995, 17244), (4230, 16286), (4311, 15980), (4790, 14382), (4794, 14370), (5748, 11985), (7185, 9588), (7191, 9580), (7990, 8622), (8143, 8460)]