188122880

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 508612608

約数和(自身を除く): 320489728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 431, 440, 496, 620, 640, 682, 704, 862, 880, 992, 1240, 1280, 1364, 1408, 1705, 1724, 1760, 1984, 2155, 2480, 2728, 2816, 3410, 3448, 3520, 3968, 4310, 4741, 4960, 5456, 6820, 6896, 7040, 7936, 8620, 9482, 9920, 10912, 13361, 13640, 13792, 14080, 17240, 18964, 19840, 21824, 23705, 26722, 27280, 27584, 34480, 37928, 39680, 43648, 47410, 53444, 54560, 55168, 66805, 68960, 75856, 87296, 94820, 106888, 109120, 110336, 133610, 137920, 146971, 151712, 189640, 213776, 218240, 267220, 275840, 293942, 303424, 379280, 427552, 436480, 534440, 551680, 587884, 606848, 734855, 758560, 855104, 1068880, 1175768, 1213696, 1469710, 1517120, 1710208, 2137760, 2351536, 2939420, 3034240, 3420416, 4275520, 4703072, 5878840, 6068480, 8551040, 9406144, 11757680, 17102080, 18812288, 23515360, 37624576, 47030720, 94061440, 188122880]

約数ペア:

[(1, 188122880), (2, 94061440), (4, 47030720), (5, 37624576), (8, 23515360), (10, 18812288), (11, 17102080), (16, 11757680), (20, 9406144), (22, 8551040), (31, 6068480), (32, 5878840), (40, 4703072), (44, 4275520), (55, 3420416), (62, 3034240), (64, 2939420), (80, 2351536), (88, 2137760), (110, 1710208), (124, 1517120), (128, 1469710), (155, 1213696), (160, 1175768), (176, 1068880), (220, 855104), (248, 758560), (256, 734855), (310, 606848), (320, 587884), (341, 551680), (352, 534440), (431, 436480), (440, 427552), (496, 379280), (620, 303424), (640, 293942), (682, 275840), (704, 267220), (862, 218240), (880, 213776), (992, 189640), (1240, 151712), (1280, 146971), (1364, 137920), (1408, 133610), (1705, 110336), (1724, 109120), (1760, 106888), (1984, 94820), (2155, 87296), (2480, 75856), (2728, 68960), (2816, 66805), (3410, 55168), (3448, 54560), (3520, 53444), (3968, 47410), (4310, 43648), (4741, 39680), (4960, 37928), (5456, 34480), (6820, 27584), (6896, 27280), (7040, 26722), (7936, 23705), (8620, 21824), (9482, 19840), (9920, 18964), (10912, 17240), (13361, 14080), (13640, 13792)]