71811520

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:938

約数の個数: 112

約数和(自身を含む): 194876928

約数和(自身を除く): 123065408

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, 160, 176, 184, 220, 230, 253, 320, 352, 368, 440, 460, 506, 704, 736, 880, 887, 920, 1012, 1265, 1472, 1760, 1774, 1840, 2024, 2530, 3520, 3548, 3680, 4048, 4435, 5060, 7096, 7360, 8096, 8870, 9757, 10120, 14192, 16192, 17740, 19514, 20240, 20401, 28384, 35480, 39028, 40480, 40802, 48785, 56768, 70960, 78056, 80960, 81604, 97570, 102005, 141920, 156112, 163208, 195140, 204010, 224411, 283840, 312224, 326416, 390280, 408020, 448822, 624448, 652832, 780560, 816040, 897644, 1122055, 1305664, 1561120, 1632080, 1795288, 2244110, 3122240, 3264160, 3590576, 4488220, 6528320, 7181152, 8976440, 14362304, 17952880, 35905760, 71811520]

約数ペア:

[(1, 71811520), (2, 35905760), (4, 17952880), (5, 14362304), (8, 8976440), (10, 7181152), (11, 6528320), (16, 4488220), (20, 3590576), (22, 3264160), (23, 3122240), (32, 2244110), (40, 1795288), (44, 1632080), (46, 1561120), (55, 1305664), (64, 1122055), (80, 897644), (88, 816040), (92, 780560), (110, 652832), (115, 624448), (160, 448822), (176, 408020), (184, 390280), (220, 326416), (230, 312224), (253, 283840), (320, 224411), (352, 204010), (368, 195140), (440, 163208), (460, 156112), (506, 141920), (704, 102005), (736, 97570), (880, 81604), (887, 80960), (920, 78056), (1012, 70960), (1265, 56768), (1472, 48785), (1760, 40802), (1774, 40480), (1840, 39028), (2024, 35480), (2530, 28384), (3520, 20401), (3548, 20240), (3680, 19514), (4048, 17740), (4435, 16192), (5060, 14192), (7096, 10120), (7360, 9757), (8096, 8870)]