128991360

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:195

約数の個数: 192

約数和(自身を含む): 433198080

約数和(自身を除く): 304206720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 64, 69, 80, 92, 96, 115, 120, 127, 128, 138, 160, 184, 192, 230, 240, 254, 276, 320, 345, 368, 381, 384, 460, 480, 508, 529, 552, 635, 640, 690, 736, 762, 920, 960, 1016, 1058, 1104, 1270, 1380, 1472, 1524, 1587, 1840, 1905, 1920, 2032, 2116, 2208, 2540, 2645, 2760, 2921, 2944, 3048, 3174, 3680, 3810, 4064, 4232, 4416, 5080, 5290, 5520, 5842, 6096, 6348, 7360, 7620, 7935, 8128, 8464, 8763, 8832, 10160, 10580, 11040, 11684, 12192, 12696, 14605, 14720, 15240, 15870, 16256, 16928, 17526, 20320, 21160, 22080, 23368, 24384, 25392, 29210, 30480, 31740, 33856, 35052, 40640, 42320, 43815, 44160, 46736, 48768, 50784, 58420, 60960, 63480, 67183, 67712, 70104, 81280, 84640, 87630, 93472, 101568, 116840, 121920, 126960, 134366, 140208, 169280, 175260, 186944, 201549, 203136, 233680, 243840, 253920, 268732, 280416, 335915, 338560, 350520, 373888, 403098, 467360, 507840, 537464, 560832, 671830, 701040, 806196, 934720, 1007745, 1015680, 1074928, 1121664, 1343660, 1402080, 1612392, 1869440, 2015490, 2149856, 2687320, 2804160, 3224784, 4030980, 4299712, 5374640, 5608320, 6449568, 8061960, 8599424, 10749280, 12899136, 16123920, 21498560, 25798272, 32247840, 42997120, 64495680, 128991360]

約数ペア:

[(1, 128991360), (2, 64495680), (3, 42997120), (4, 32247840), (5, 25798272), (6, 21498560), (8, 16123920), (10, 12899136), (12, 10749280), (15, 8599424), (16, 8061960), (20, 6449568), (23, 5608320), (24, 5374640), (30, 4299712), (32, 4030980), (40, 3224784), (46, 2804160), (48, 2687320), (60, 2149856), (64, 2015490), (69, 1869440), (80, 1612392), (92, 1402080), (96, 1343660), (115, 1121664), (120, 1074928), (127, 1015680), (128, 1007745), (138, 934720), (160, 806196), (184, 701040), (192, 671830), (230, 560832), (240, 537464), (254, 507840), (276, 467360), (320, 403098), (345, 373888), (368, 350520), (381, 338560), (384, 335915), (460, 280416), (480, 268732), (508, 253920), (529, 243840), (552, 233680), (635, 203136), (640, 201549), (690, 186944), (736, 175260), (762, 169280), (920, 140208), (960, 134366), (1016, 126960), (1058, 121920), (1104, 116840), (1270, 101568), (1380, 93472), (1472, 87630), (1524, 84640), (1587, 81280), (1840, 70104), (1905, 67712), (1920, 67183), (2032, 63480), (2116, 60960), (2208, 58420), (2540, 50784), (2645, 48768), (2760, 46736), (2921, 44160), (2944, 43815), (3048, 42320), (3174, 40640), (3680, 35052), (3810, 33856), (4064, 31740), (4232, 30480), (4416, 29210), (5080, 25392), (5290, 24384), (5520, 23368), (5842, 22080), (6096, 21160), (6348, 20320), (7360, 17526), (7620, 16928), (7935, 16256), (8128, 15870), (8464, 15240), (8763, 14720), (8832, 14605), (10160, 12696), (10580, 12192), (11040, 11684)]