28552440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1789}}^1$

素因数の和:1829

約数の個数: 128

約数和(自身を含む): 103104000

約数和(自身を除く): 74551560

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 56, 57, 60, 70, 76, 84, 95, 105, 114, 120, 133, 140, 152, 168, 190, 210, 228, 266, 280, 285, 380, 399, 420, 456, 532, 570, 665, 760, 798, 840, 1064, 1140, 1330, 1596, 1789, 1995, 2280, 2660, 3192, 3578, 3990, 5320, 5367, 7156, 7980, 8945, 10734, 12523, 14312, 15960, 17890, 21468, 25046, 26835, 33991, 35780, 37569, 42936, 50092, 53670, 62615, 67982, 71560, 75138, 100184, 101973, 107340, 125230, 135964, 150276, 169955, 187845, 203946, 214680, 237937, 250460, 271928, 300552, 339910, 375690, 407892, 475874, 500920, 509865, 679820, 713811, 751380, 815784, 951748, 1019730, 1189685, 1359640, 1427622, 1502760, 1903496, 2039460, 2379370, 2855244, 3569055, 4078920, 4758740, 5710488, 7138110, 9517480, 14276220, 28552440]

約数ペア:

[(1, 28552440), (2, 14276220), (3, 9517480), (4, 7138110), (5, 5710488), (6, 4758740), (7, 4078920), (8, 3569055), (10, 2855244), (12, 2379370), (14, 2039460), (15, 1903496), (19, 1502760), (20, 1427622), (21, 1359640), (24, 1189685), (28, 1019730), (30, 951748), (35, 815784), (38, 751380), (40, 713811), (42, 679820), (56, 509865), (57, 500920), (60, 475874), (70, 407892), (76, 375690), (84, 339910), (95, 300552), (105, 271928), (114, 250460), (120, 237937), (133, 214680), (140, 203946), (152, 187845), (168, 169955), (190, 150276), (210, 135964), (228, 125230), (266, 107340), (280, 101973), (285, 100184), (380, 75138), (399, 71560), (420, 67982), (456, 62615), (532, 53670), (570, 50092), (665, 42936), (760, 37569), (798, 35780), (840, 33991), (1064, 26835), (1140, 25046), (1330, 21468), (1596, 17890), (1789, 15960), (1995, 14312), (2280, 12523), (2660, 10734), (3192, 8945), (3578, 7980), (3990, 7156), (5320, 5367)]