28312080

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{23}}^2\times {\mathrm{223}}^1$

素因数の和:285

約数の個数: 120

約数和(自身を含む): 92160768

約数和(自身を除く): 63848688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 40, 46, 48, 60, 69, 80, 92, 115, 120, 138, 184, 223, 230, 240, 276, 345, 368, 446, 460, 529, 552, 669, 690, 892, 920, 1058, 1104, 1115, 1338, 1380, 1587, 1784, 1840, 2116, 2230, 2645, 2676, 2760, 3174, 3345, 3568, 4232, 4460, 5129, 5290, 5352, 5520, 6348, 6690, 7935, 8464, 8920, 10258, 10580, 10704, 12696, 13380, 15387, 15870, 17840, 20516, 21160, 25392, 25645, 26760, 30774, 31740, 41032, 42320, 51290, 53520, 61548, 63480, 76935, 82064, 102580, 117967, 123096, 126960, 153870, 205160, 235934, 246192, 307740, 353901, 410320, 471868, 589835, 615480, 707802, 943736, 1179670, 1230960, 1415604, 1769505, 1887472, 2359340, 2831208, 3539010, 4718680, 5662416, 7078020, 9437360, 14156040, 28312080]

約数ペア:

[(1, 28312080), (2, 14156040), (3, 9437360), (4, 7078020), (5, 5662416), (6, 4718680), (8, 3539010), (10, 2831208), (12, 2359340), (15, 1887472), (16, 1769505), (20, 1415604), (23, 1230960), (24, 1179670), (30, 943736), (40, 707802), (46, 615480), (48, 589835), (60, 471868), (69, 410320), (80, 353901), (92, 307740), (115, 246192), (120, 235934), (138, 205160), (184, 153870), (223, 126960), (230, 123096), (240, 117967), (276, 102580), (345, 82064), (368, 76935), (446, 63480), (460, 61548), (529, 53520), (552, 51290), (669, 42320), (690, 41032), (892, 31740), (920, 30774), (1058, 26760), (1104, 25645), (1115, 25392), (1338, 21160), (1380, 20516), (1587, 17840), (1784, 15870), (1840, 15387), (2116, 13380), (2230, 12696), (2645, 10704), (2676, 10580), (2760, 10258), (3174, 8920), (3345, 8464), (3568, 7935), (4232, 6690), (4460, 6348), (5129, 5520), (5290, 5352)]