55945980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:468

約数の個数: 144

約数和(自身を含む): 183980160

約数和(自身を除く): 128034180

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, 389, 423, 470, 510, 564, 612, 705, 765, 778, 799, 846, 940, 1020, 1167, 1410, 1530, 1556, 1598, 1692, 1945, 2115, 2334, 2397, 2820, 3060, 3196, 3501, 3890, 3995, 4230, 4668, 4794, 5835, 6613, 7002, 7191, 7780, 7990, 8460, 9588, 11670, 11985, 13226, 14004, 14382, 15980, 17505, 18283, 19839, 23340, 23970, 26452, 28764, 33065, 35010, 35955, 36566, 39678, 47940, 54849, 59517, 66130, 70020, 71910, 73132, 79356, 91415, 99195, 109698, 119034, 132260, 143820, 164547, 182830, 198390, 219396, 238068, 274245, 297585, 310811, 329094, 365660, 396780, 548490, 595170, 621622, 658188, 822735, 932433, 1096980, 1190340, 1243244, 1554055, 1645470, 1864866, 2797299, 3108110, 3290940, 3729732, 4662165, 5594598, 6216220, 9324330, 11189196, 13986495, 18648660, 27972990, 55945980]

約数ペア:

[(1, 55945980), (2, 27972990), (3, 18648660), (4, 13986495), (5, 11189196), (6, 9324330), (9, 6216220), (10, 5594598), (12, 4662165), (15, 3729732), (17, 3290940), (18, 3108110), (20, 2797299), (30, 1864866), (34, 1645470), (36, 1554055), (45, 1243244), (47, 1190340), (51, 1096980), (60, 932433), (68, 822735), (85, 658188), (90, 621622), (94, 595170), (102, 548490), (141, 396780), (153, 365660), (170, 329094), (180, 310811), (188, 297585), (204, 274245), (235, 238068), (255, 219396), (282, 198390), (306, 182830), (340, 164547), (389, 143820), (423, 132260), (470, 119034), (510, 109698), (564, 99195), (612, 91415), (705, 79356), (765, 73132), (778, 71910), (799, 70020), (846, 66130), (940, 59517), (1020, 54849), (1167, 47940), (1410, 39678), (1530, 36566), (1556, 35955), (1598, 35010), (1692, 33065), (1945, 28764), (2115, 26452), (2334, 23970), (2397, 23340), (2820, 19839), (3060, 18283), (3196, 17505), (3501, 15980), (3890, 14382), (3995, 14004), (4230, 13226), (4668, 11985), (4794, 11670), (5835, 9588), (6613, 8460), (7002, 7990), (7191, 7780)]