28040040

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3709}}^1$

素因数の和:3736

約数の個数: 128

約数和(自身を含む): 106848000

約数和(自身を除く): 78807960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3709, 3780, 7418, 7560, 11127, 14836, 18545, 22254, 25963, 29672, 33381, 37090, 44508, 51926, 55635, 66762, 74180, 77889, 89016, 100143, 103852, 111270, 129815, 133524, 148360, 155778, 166905, 200286, 207704, 222540, 233667, 259630, 267048, 311556, 333810, 389445, 400572, 445080, 467334, 500715, 519260, 623112, 667620, 701001, 778890, 801144, 934668, 1001430, 1038520, 1168335, 1335240, 1402002, 1557780, 1869336, 2002860, 2336670, 2804004, 3115560, 3505005, 4005720, 4673340, 5608008, 7010010, 9346680, 14020020, 28040040]

約数ペア:

[(1, 28040040), (2, 14020020), (3, 9346680), (4, 7010010), (5, 5608008), (6, 4673340), (7, 4005720), (8, 3505005), (9, 3115560), (10, 2804004), (12, 2336670), (14, 2002860), (15, 1869336), (18, 1557780), (20, 1402002), (21, 1335240), (24, 1168335), (27, 1038520), (28, 1001430), (30, 934668), (35, 801144), (36, 778890), (40, 701001), (42, 667620), (45, 623112), (54, 519260), (56, 500715), (60, 467334), (63, 445080), (70, 400572), (72, 389445), (84, 333810), (90, 311556), (105, 267048), (108, 259630), (120, 233667), (126, 222540), (135, 207704), (140, 200286), (168, 166905), (180, 155778), (189, 148360), (210, 133524), (216, 129815), (252, 111270), (270, 103852), (280, 100143), (315, 89016), (360, 77889), (378, 74180), (420, 66762), (504, 55635), (540, 51926), (630, 44508), (756, 37090), (840, 33381), (945, 29672), (1080, 25963), (1260, 22254), (1512, 18545), (1890, 14836), (2520, 11127), (3709, 7560), (3780, 7418)]