145161280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:225

約数の個数: 168

約数和(自身を含む): 398897856

約数和(自身を除く): 253736576

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 32, 40, 44, 46, 55, 64, 80, 88, 92, 110, 115, 121, 160, 163, 176, 184, 220, 230, 242, 253, 320, 326, 352, 368, 440, 460, 484, 506, 605, 652, 704, 736, 815, 880, 920, 968, 1012, 1210, 1265, 1304, 1472, 1630, 1760, 1793, 1840, 1936, 2024, 2420, 2530, 2608, 2783, 3260, 3520, 3586, 3680, 3749, 3872, 4048, 4840, 5060, 5216, 5566, 6520, 7172, 7360, 7498, 7744, 8096, 8965, 9680, 10120, 10432, 11132, 13040, 13915, 14344, 14996, 16192, 17930, 18745, 19360, 19723, 20240, 22264, 26080, 27830, 28688, 29992, 35860, 37490, 38720, 39446, 40480, 41239, 44528, 52160, 55660, 57376, 59984, 71720, 74980, 78892, 80960, 82478, 89056, 98615, 111320, 114752, 119968, 143440, 149960, 157784, 164956, 178112, 197230, 206195, 222640, 239936, 286880, 299920, 315568, 329912, 394460, 412390, 445280, 453629, 573760, 599840, 631136, 659824, 788920, 824780, 890560, 907258, 1199680, 1262272, 1319648, 1577840, 1649560, 1814516, 2268145, 2639296, 3155680, 3299120, 3629032, 4536290, 6311360, 6598240, 7258064, 9072580, 13196480, 14516128, 18145160, 29032256, 36290320, 72580640, 145161280]

約数ペア:

[(1, 145161280), (2, 72580640), (4, 36290320), (5, 29032256), (8, 18145160), (10, 14516128), (11, 13196480), (16, 9072580), (20, 7258064), (22, 6598240), (23, 6311360), (32, 4536290), (40, 3629032), (44, 3299120), (46, 3155680), (55, 2639296), (64, 2268145), (80, 1814516), (88, 1649560), (92, 1577840), (110, 1319648), (115, 1262272), (121, 1199680), (160, 907258), (163, 890560), (176, 824780), (184, 788920), (220, 659824), (230, 631136), (242, 599840), (253, 573760), (320, 453629), (326, 445280), (352, 412390), (368, 394460), (440, 329912), (460, 315568), (484, 299920), (506, 286880), (605, 239936), (652, 222640), (704, 206195), (736, 197230), (815, 178112), (880, 164956), (920, 157784), (968, 149960), (1012, 143440), (1210, 119968), (1265, 114752), (1304, 111320), (1472, 98615), (1630, 89056), (1760, 82478), (1793, 80960), (1840, 78892), (1936, 74980), (2024, 71720), (2420, 59984), (2530, 57376), (2608, 55660), (2783, 52160), (3260, 44528), (3520, 41239), (3586, 40480), (3680, 39446), (3749, 38720), (3872, 37490), (4048, 35860), (4840, 29992), (5060, 28688), (5216, 27830), (5566, 26080), (6520, 22264), (7172, 20240), (7360, 19723), (7498, 19360), (7744, 18745), (8096, 17930), (8965, 16192), (9680, 14996), (10120, 14344), (10432, 13915), (11132, 13040)]