51480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1$

素因数の和:41

約数の個数: 96

約数和(自身を含む): 196560

約数和(自身を除く): 145080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 18, 20, 22, 24, 26, 30, 33, 36, 39, 40, 44, 45, 52, 55, 60, 65, 66, 72, 78, 88, 90, 99, 104, 110, 117, 120, 130, 132, 143, 156, 165, 180, 195, 198, 220, 234, 260, 264, 286, 312, 330, 360, 390, 396, 429, 440, 468, 495, 520, 572, 585, 660, 715, 780, 792, 858, 936, 990, 1144, 1170, 1287, 1320, 1430, 1560, 1716, 1980, 2145, 2340, 2574, 2860, 3432, 3960, 4290, 4680, 5148, 5720, 6435, 8580, 10296, 12870, 17160, 25740, 51480]

約数ペア:

[(1, 51480), (2, 25740), (3, 17160), (4, 12870), (5, 10296), (6, 8580), (8, 6435), (9, 5720), (10, 5148), (11, 4680), (12, 4290), (13, 3960), (15, 3432), (18, 2860), (20, 2574), (22, 2340), (24, 2145), (26, 1980), (30, 1716), (33, 1560), (36, 1430), (39, 1320), (40, 1287), (44, 1170), (45, 1144), (52, 990), (55, 936), (60, 858), (65, 792), (66, 780), (72, 715), (78, 660), (88, 585), (90, 572), (99, 520), (104, 495), (110, 468), (117, 440), (120, 429), (130, 396), (132, 390), (143, 360), (156, 330), (165, 312), (180, 286), (195, 264), (198, 260), (220, 234)]