181630720

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^2\times {\mathrm{491}}^1$

素因数の和:546

約数の個数: 108

約数和(自身を含む): 463100904

約数和(自身を除く): 281470184

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 289, 320, 340, 491, 544, 578, 640, 680, 982, 1088, 1156, 1280, 1360, 1445, 1964, 2176, 2312, 2455, 2720, 2890, 3928, 4352, 4624, 4910, 5440, 5780, 7856, 8347, 9248, 9820, 10880, 11560, 15712, 16694, 18496, 19640, 21760, 23120, 31424, 33388, 36992, 39280, 41735, 46240, 62848, 66776, 73984, 78560, 83470, 92480, 125696, 133552, 141899, 157120, 166940, 184960, 267104, 283798, 314240, 333880, 369920, 534208, 567596, 628480, 667760, 709495, 1068416, 1135192, 1335520, 1418990, 2136832, 2270384, 2671040, 2837980, 4540768, 5342080, 5675960, 9081536, 10684160, 11351920, 18163072, 22703840, 36326144, 45407680, 90815360, 181630720]

約数ペア:

[(1, 181630720), (2, 90815360), (4, 45407680), (5, 36326144), (8, 22703840), (10, 18163072), (16, 11351920), (17, 10684160), (20, 9081536), (32, 5675960), (34, 5342080), (40, 4540768), (64, 2837980), (68, 2671040), (80, 2270384), (85, 2136832), (128, 1418990), (136, 1335520), (160, 1135192), (170, 1068416), (256, 709495), (272, 667760), (289, 628480), (320, 567596), (340, 534208), (491, 369920), (544, 333880), (578, 314240), (640, 283798), (680, 267104), (982, 184960), (1088, 166940), (1156, 157120), (1280, 141899), (1360, 133552), (1445, 125696), (1964, 92480), (2176, 83470), (2312, 78560), (2455, 73984), (2720, 66776), (2890, 62848), (3928, 46240), (4352, 41735), (4624, 39280), (4910, 36992), (5440, 33388), (5780, 31424), (7856, 23120), (8347, 21760), (9248, 19640), (9820, 18496), (10880, 16694), (11560, 15712)]