28727160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3109}}^1$

素因数の和:3141

約数の個数: 128

約数和(自身を含む): 107481600

約数和(自身を除く): 78754440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 84, 88, 105, 110, 120, 132, 140, 154, 165, 168, 210, 220, 231, 264, 280, 308, 330, 385, 420, 440, 462, 616, 660, 770, 840, 924, 1155, 1320, 1540, 1848, 2310, 3080, 3109, 4620, 6218, 9240, 9327, 12436, 15545, 18654, 21763, 24872, 31090, 34199, 37308, 43526, 46635, 62180, 65289, 68398, 74616, 87052, 93270, 102597, 108815, 124360, 130578, 136796, 170995, 174104, 186540, 205194, 217630, 239393, 261156, 273592, 326445, 341990, 373080, 410388, 435260, 478786, 512985, 522312, 652890, 683980, 718179, 820776, 870520, 957572, 1025970, 1196965, 1305780, 1367960, 1436358, 1915144, 2051940, 2393930, 2611560, 2872716, 3590895, 4103880, 4787860, 5745432, 7181790, 9575720, 14363580, 28727160]

約数ペア:

[(1, 28727160), (2, 14363580), (3, 9575720), (4, 7181790), (5, 5745432), (6, 4787860), (7, 4103880), (8, 3590895), (10, 2872716), (11, 2611560), (12, 2393930), (14, 2051940), (15, 1915144), (20, 1436358), (21, 1367960), (22, 1305780), (24, 1196965), (28, 1025970), (30, 957572), (33, 870520), (35, 820776), (40, 718179), (42, 683980), (44, 652890), (55, 522312), (56, 512985), (60, 478786), (66, 435260), (70, 410388), (77, 373080), (84, 341990), (88, 326445), (105, 273592), (110, 261156), (120, 239393), (132, 217630), (140, 205194), (154, 186540), (165, 174104), (168, 170995), (210, 136796), (220, 130578), (231, 124360), (264, 108815), (280, 102597), (308, 93270), (330, 87052), (385, 74616), (420, 68398), (440, 65289), (462, 62180), (616, 46635), (660, 43526), (770, 37308), (840, 34199), (924, 31090), (1155, 24872), (1320, 21763), (1540, 18654), (1848, 15545), (2310, 12436), (3080, 9327), (3109, 9240), (4620, 6218)]