51553320

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4721}}^1$

素因数の和:4755

約数の個数: 128

約数和(自身を含む): 190391040

約数和(自身を除く): 138837720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 4721, 5460, 9442, 10920, 14163, 18884, 23605, 28326, 33047, 37768, 47210, 56652, 61373, 66094, 70815, 94420, 99141, 113304, 122746, 132188, 141630, 165235, 184119, 188840, 198282, 245492, 264376, 283260, 306865, 330470, 368238, 396564, 429611, 490984, 495705, 566520, 613730, 660940, 736476, 793128, 859222, 920595, 991410, 1227460, 1288833, 1321880, 1472952, 1718444, 1841190, 1982820, 2148055, 2454920, 2577666, 3436888, 3682380, 3965640, 4296110, 5155332, 6444165, 7364760, 8592220, 10310664, 12888330, 17184440, 25776660, 51553320]

約数ペア:

[(1, 51553320), (2, 25776660), (3, 17184440), (4, 12888330), (5, 10310664), (6, 8592220), (7, 7364760), (8, 6444165), (10, 5155332), (12, 4296110), (13, 3965640), (14, 3682380), (15, 3436888), (20, 2577666), (21, 2454920), (24, 2148055), (26, 1982820), (28, 1841190), (30, 1718444), (35, 1472952), (39, 1321880), (40, 1288833), (42, 1227460), (52, 991410), (56, 920595), (60, 859222), (65, 793128), (70, 736476), (78, 660940), (84, 613730), (91, 566520), (104, 495705), (105, 490984), (120, 429611), (130, 396564), (140, 368238), (156, 330470), (168, 306865), (182, 283260), (195, 264376), (210, 245492), (260, 198282), (273, 188840), (280, 184119), (312, 165235), (364, 141630), (390, 132188), (420, 122746), (455, 113304), (520, 99141), (546, 94420), (728, 70815), (780, 66094), (840, 61373), (910, 56652), (1092, 47210), (1365, 37768), (1560, 33047), (1820, 28326), (2184, 23605), (2730, 18884), (3640, 14163), (4721, 10920), (5460, 9442)]