255102720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2143}}^1$

素因数の和:2198

約数の個数: 144

約数和(自身を含む): 841408512

約数和(自身を除く): 586305792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 93, 96, 120, 124, 128, 155, 160, 186, 192, 240, 248, 256, 310, 320, 372, 384, 465, 480, 496, 620, 640, 744, 768, 930, 960, 992, 1240, 1280, 1488, 1860, 1920, 1984, 2143, 2480, 2976, 3720, 3840, 3968, 4286, 4960, 5952, 6429, 7440, 7936, 8572, 9920, 10715, 11904, 12858, 14880, 17144, 19840, 21430, 23808, 25716, 29760, 32145, 34288, 39680, 42860, 51432, 59520, 64290, 66433, 68576, 85720, 102864, 119040, 128580, 132866, 137152, 171440, 199299, 205728, 257160, 265732, 274304, 332165, 342880, 398598, 411456, 514320, 531464, 548608, 664330, 685760, 797196, 822912, 996495, 1028640, 1062928, 1328660, 1371520, 1594392, 1645824, 1992990, 2057280, 2125856, 2657320, 2743040, 3188784, 3985980, 4114560, 4251712, 5314640, 6377568, 7971960, 8229120, 8503424, 10629280, 12755136, 15943920, 17006848, 21258560, 25510272, 31887840, 42517120, 51020544, 63775680, 85034240, 127551360, 255102720]

約数ペア:

[(1, 255102720), (2, 127551360), (3, 85034240), (4, 63775680), (5, 51020544), (6, 42517120), (8, 31887840), (10, 25510272), (12, 21258560), (15, 17006848), (16, 15943920), (20, 12755136), (24, 10629280), (30, 8503424), (31, 8229120), (32, 7971960), (40, 6377568), (48, 5314640), (60, 4251712), (62, 4114560), (64, 3985980), (80, 3188784), (93, 2743040), (96, 2657320), (120, 2125856), (124, 2057280), (128, 1992990), (155, 1645824), (160, 1594392), (186, 1371520), (192, 1328660), (240, 1062928), (248, 1028640), (256, 996495), (310, 822912), (320, 797196), (372, 685760), (384, 664330), (465, 548608), (480, 531464), (496, 514320), (620, 411456), (640, 398598), (744, 342880), (768, 332165), (930, 274304), (960, 265732), (992, 257160), (1240, 205728), (1280, 199299), (1488, 171440), (1860, 137152), (1920, 132866), (1984, 128580), (2143, 119040), (2480, 102864), (2976, 85720), (3720, 68576), (3840, 66433), (3968, 64290), (4286, 59520), (4960, 51432), (5952, 42860), (6429, 39680), (7440, 34288), (7936, 32145), (8572, 29760), (9920, 25716), (10715, 23808), (11904, 21430), (12858, 19840), (14880, 17144)]