154721920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^2\times {\mathrm{457}}^1$

素因数の和:522

約数の個数: 96

約数和(自身を含む): 387509220

約数和(自身を除く): 232787300

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 457, 460, 529, 640, 736, 914, 920, 1058, 1472, 1828, 1840, 2116, 2285, 2645, 2944, 3656, 3680, 4232, 4570, 5290, 7312, 7360, 8464, 9140, 10511, 10580, 14624, 14720, 16928, 18280, 21022, 21160, 29248, 33856, 36560, 42044, 42320, 52555, 58496, 67712, 73120, 84088, 84640, 105110, 146240, 168176, 169280, 210220, 241753, 292480, 336352, 338560, 420440, 483506, 672704, 840880, 967012, 1208765, 1345408, 1681760, 1934024, 2417530, 3363520, 3868048, 4835060, 6727040, 7736096, 9670120, 15472192, 19340240, 30944384, 38680480, 77360960, 154721920]

約数ペア:

[(1, 154721920), (2, 77360960), (4, 38680480), (5, 30944384), (8, 19340240), (10, 15472192), (16, 9670120), (20, 7736096), (23, 6727040), (32, 4835060), (40, 3868048), (46, 3363520), (64, 2417530), (80, 1934024), (92, 1681760), (115, 1345408), (128, 1208765), (160, 967012), (184, 840880), (230, 672704), (320, 483506), (368, 420440), (457, 338560), (460, 336352), (529, 292480), (640, 241753), (736, 210220), (914, 169280), (920, 168176), (1058, 146240), (1472, 105110), (1828, 84640), (1840, 84088), (2116, 73120), (2285, 67712), (2645, 58496), (2944, 52555), (3656, 42320), (3680, 42044), (4232, 36560), (4570, 33856), (5290, 29248), (7312, 21160), (7360, 21022), (8464, 18280), (9140, 16928), (10511, 14720), (10580, 14624)]