51840972

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{61}}^2$

素因数の和:181

約数の個数: 90

約数和(自身を含む): 140984844

約数和(自身を除く): 89143872

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 61, 81, 86, 108, 122, 129, 162, 172, 183, 244, 258, 324, 366, 387, 516, 549, 732, 774, 1098, 1161, 1548, 1647, 2196, 2322, 2623, 3294, 3483, 3721, 4644, 4941, 5246, 6588, 6966, 7442, 7869, 9882, 10492, 11163, 13932, 14884, 15738, 19764, 22326, 23607, 31476, 33489, 44652, 47214, 66978, 70821, 94428, 100467, 133956, 141642, 160003, 200934, 212463, 283284, 301401, 320006, 401868, 424926, 480009, 602802, 640012, 849852, 960018, 1205604, 1440027, 1920036, 2880054, 4320081, 5760108, 8640162, 12960243, 17280324, 25920486, 51840972]

約数ペア:

[(1, 51840972), (2, 25920486), (3, 17280324), (4, 12960243), (6, 8640162), (9, 5760108), (12, 4320081), (18, 2880054), (27, 1920036), (36, 1440027), (43, 1205604), (54, 960018), (61, 849852), (81, 640012), (86, 602802), (108, 480009), (122, 424926), (129, 401868), (162, 320006), (172, 301401), (183, 283284), (244, 212463), (258, 200934), (324, 160003), (366, 141642), (387, 133956), (516, 100467), (549, 94428), (732, 70821), (774, 66978), (1098, 47214), (1161, 44652), (1548, 33489), (1647, 31476), (2196, 23607), (2322, 22326), (2623, 19764), (3294, 15738), (3483, 14884), (3721, 13932), (4644, 11163), (4941, 10492), (5246, 9882), (6588, 7869), (6966, 7442)]