18145160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1$

素因数の和:219

約数の個数: 96

約数和(自身を含む): 47113920

約数和(自身を除く): 28968760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 23, 40, 44, 46, 55, 88, 92, 110, 115, 121, 163, 184, 220, 230, 242, 253, 326, 440, 460, 484, 506, 605, 652, 815, 920, 968, 1012, 1210, 1265, 1304, 1630, 1793, 2024, 2420, 2530, 2783, 3260, 3586, 3749, 4840, 5060, 5566, 6520, 7172, 7498, 8965, 10120, 11132, 13915, 14344, 14996, 17930, 18745, 19723, 22264, 27830, 29992, 35860, 37490, 39446, 41239, 55660, 71720, 74980, 78892, 82478, 98615, 111320, 149960, 157784, 164956, 197230, 206195, 329912, 394460, 412390, 453629, 788920, 824780, 907258, 1649560, 1814516, 2268145, 3629032, 4536290, 9072580, 18145160]

約数ペア:

[(1, 18145160), (2, 9072580), (4, 4536290), (5, 3629032), (8, 2268145), (10, 1814516), (11, 1649560), (20, 907258), (22, 824780), (23, 788920), (40, 453629), (44, 412390), (46, 394460), (55, 329912), (88, 206195), (92, 197230), (110, 164956), (115, 157784), (121, 149960), (163, 111320), (184, 98615), (220, 82478), (230, 78892), (242, 74980), (253, 71720), (326, 55660), (440, 41239), (460, 39446), (484, 37490), (506, 35860), (605, 29992), (652, 27830), (815, 22264), (920, 19723), (968, 18745), (1012, 17930), (1210, 14996), (1265, 14344), (1304, 13915), (1630, 11132), (1793, 10120), (2024, 8965), (2420, 7498), (2530, 7172), (2783, 6520), (3260, 5566), (3586, 5060), (3749, 4840)]