78669540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:626

約数の個数: 144

約数和(自身を含む): 258515712

約数和(自身を除く): 179846172

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, 510, 547, 564, 612, 705, 765, 799, 846, 940, 1020, 1094, 1410, 1530, 1598, 1641, 1692, 2115, 2188, 2397, 2735, 2820, 3060, 3196, 3282, 3995, 4230, 4794, 4923, 5470, 6564, 7191, 7990, 8205, 8460, 9299, 9588, 9846, 10940, 11985, 14382, 15980, 16410, 18598, 19692, 23970, 24615, 25709, 27897, 28764, 32820, 35955, 37196, 46495, 47940, 49230, 51418, 55794, 71910, 77127, 83691, 92990, 98460, 102836, 111588, 128545, 139485, 143820, 154254, 167382, 185980, 231381, 257090, 278970, 308508, 334764, 385635, 418455, 437053, 462762, 514180, 557940, 771270, 836910, 874106, 925524, 1156905, 1311159, 1542540, 1673820, 1748212, 2185265, 2313810, 2622318, 3933477, 4370530, 4627620, 5244636, 6555795, 7866954, 8741060, 13111590, 15733908, 19667385, 26223180, 39334770, 78669540]

約数ペア:

[(1, 78669540), (2, 39334770), (3, 26223180), (4, 19667385), (5, 15733908), (6, 13111590), (9, 8741060), (10, 7866954), (12, 6555795), (15, 5244636), (17, 4627620), (18, 4370530), (20, 3933477), (30, 2622318), (34, 2313810), (36, 2185265), (45, 1748212), (47, 1673820), (51, 1542540), (60, 1311159), (68, 1156905), (85, 925524), (90, 874106), (94, 836910), (102, 771270), (141, 557940), (153, 514180), (170, 462762), (180, 437053), (188, 418455), (204, 385635), (235, 334764), (255, 308508), (282, 278970), (306, 257090), (340, 231381), (423, 185980), (470, 167382), (510, 154254), (547, 143820), (564, 139485), (612, 128545), (705, 111588), (765, 102836), (799, 98460), (846, 92990), (940, 83691), (1020, 77127), (1094, 71910), (1410, 55794), (1530, 51418), (1598, 49230), (1641, 47940), (1692, 46495), (2115, 37196), (2188, 35955), (2397, 32820), (2735, 28764), (2820, 27897), (3060, 25709), (3196, 24615), (3282, 23970), (3995, 19692), (4230, 18598), (4794, 16410), (4923, 15980), (5470, 14382), (6564, 11985), (7191, 10940), (7990, 9846), (8205, 9588), (8460, 9299)]