18869040

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1$

素因数の和:451

約数の個数: 120

約数和(自身を含む): 64415520

約数和(自身を除く): 45546480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 73, 80, 90, 120, 144, 146, 180, 219, 240, 292, 359, 360, 365, 438, 584, 657, 718, 720, 730, 876, 1077, 1095, 1168, 1314, 1436, 1460, 1752, 1795, 2154, 2190, 2628, 2872, 2920, 3231, 3285, 3504, 3590, 4308, 4380, 5256, 5385, 5744, 5840, 6462, 6570, 7180, 8616, 8760, 10512, 10770, 12924, 13140, 14360, 16155, 17232, 17520, 21540, 25848, 26207, 26280, 28720, 32310, 43080, 51696, 52414, 52560, 64620, 78621, 86160, 104828, 129240, 131035, 157242, 209656, 235863, 258480, 262070, 314484, 393105, 419312, 471726, 524140, 628968, 786210, 943452, 1048280, 1179315, 1257936, 1572420, 1886904, 2096560, 2358630, 3144840, 3773808, 4717260, 6289680, 9434520, 18869040]

約数ペア:

[(1, 18869040), (2, 9434520), (3, 6289680), (4, 4717260), (5, 3773808), (6, 3144840), (8, 2358630), (9, 2096560), (10, 1886904), (12, 1572420), (15, 1257936), (16, 1179315), (18, 1048280), (20, 943452), (24, 786210), (30, 628968), (36, 524140), (40, 471726), (45, 419312), (48, 393105), (60, 314484), (72, 262070), (73, 258480), (80, 235863), (90, 209656), (120, 157242), (144, 131035), (146, 129240), (180, 104828), (219, 86160), (240, 78621), (292, 64620), (359, 52560), (360, 52414), (365, 51696), (438, 43080), (584, 32310), (657, 28720), (718, 26280), (720, 26207), (730, 25848), (876, 21540), (1077, 17520), (1095, 17232), (1168, 16155), (1314, 14360), (1436, 13140), (1460, 12924), (1752, 10770), (1795, 10512), (2154, 8760), (2190, 8616), (2628, 7180), (2872, 6570), (2920, 6462), (3231, 5840), (3285, 5744), (3504, 5385), (3590, 5256), (4308, 4380)]