28615860

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1747}}^1$

素因数の和:1782

約数の個数: 144

約数和(自身を含む): 106893696

約数和(自身を除く): 78277836

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1747, 1820, 2340, 2730, 3276, 3494, 4095, 5241, 5460, 6988, 8190, 8735, 10482, 12229, 15723, 16380, 17470, 20964, 22711, 24458, 26205, 31446, 34940, 36687, 45422, 48916, 52410, 61145, 62892, 68133, 73374, 78615, 90844, 104820, 110061, 113555, 122290, 136266, 146748, 157230, 158977, 183435, 204399, 220122, 227110, 244580, 272532, 314460, 317954, 340665, 366870, 408798, 440244, 454220, 476931, 550305, 635908, 681330, 733740, 794885, 817596, 953862, 1021995, 1100610, 1362660, 1430793, 1589770, 1907724, 2043990, 2201220, 2384655, 2861586, 3179540, 4087980, 4769310, 5723172, 7153965, 9538620, 14307930, 28615860]

約数ペア:

[(1, 28615860), (2, 14307930), (3, 9538620), (4, 7153965), (5, 5723172), (6, 4769310), (7, 4087980), (9, 3179540), (10, 2861586), (12, 2384655), (13, 2201220), (14, 2043990), (15, 1907724), (18, 1589770), (20, 1430793), (21, 1362660), (26, 1100610), (28, 1021995), (30, 953862), (35, 817596), (36, 794885), (39, 733740), (42, 681330), (45, 635908), (52, 550305), (60, 476931), (63, 454220), (65, 440244), (70, 408798), (78, 366870), (84, 340665), (90, 317954), (91, 314460), (105, 272532), (117, 244580), (126, 227110), (130, 220122), (140, 204399), (156, 183435), (180, 158977), (182, 157230), (195, 146748), (210, 136266), (234, 122290), (252, 113555), (260, 110061), (273, 104820), (315, 90844), (364, 78615), (390, 73374), (420, 68133), (455, 62892), (468, 61145), (546, 52410), (585, 48916), (630, 45422), (780, 36687), (819, 34940), (910, 31446), (1092, 26205), (1170, 24458), (1260, 22711), (1365, 20964), (1638, 17470), (1747, 16380), (1820, 15723), (2340, 12229), (2730, 10482), (3276, 8735), (3494, 8190), (4095, 6988), (5241, 5460)]