64388720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3851}}^1$

素因数の和:3894

約数の個数: 80

約数和(自身を含む): 171953280

約数和(自身を除く): 107564560

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 3851, 4180, 7702, 8360, 15404, 16720, 19255, 30808, 38510, 42361, 61616, 73169, 77020, 84722, 146338, 154040, 169444, 211805, 292676, 308080, 338888, 365845, 423610, 585352, 677776, 731690, 804859, 847220, 1170704, 1463380, 1609718, 1694440, 2926760, 3219436, 3388880, 4024295, 5853520, 6438872, 8048590, 12877744, 16097180, 32194360, 64388720]

約数ペア:

[(1, 64388720), (2, 32194360), (4, 16097180), (5, 12877744), (8, 8048590), (10, 6438872), (11, 5853520), (16, 4024295), (19, 3388880), (20, 3219436), (22, 2926760), (38, 1694440), (40, 1609718), (44, 1463380), (55, 1170704), (76, 847220), (80, 804859), (88, 731690), (95, 677776), (110, 585352), (152, 423610), (176, 365845), (190, 338888), (209, 308080), (220, 292676), (304, 211805), (380, 169444), (418, 154040), (440, 146338), (760, 84722), (836, 77020), (880, 73169), (1045, 61616), (1520, 42361), (1672, 38510), (2090, 30808), (3344, 19255), (3851, 16720), (4180, 15404), (7702, 8360)]