30986760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{997}}^1$

素因数の和:1055

約数の個数: 128

約数和(自身を含む): 109221120

約数和(自身を除く): 78234360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 37, 40, 42, 56, 60, 70, 74, 84, 105, 111, 120, 140, 148, 168, 185, 210, 222, 259, 280, 296, 370, 420, 444, 518, 555, 740, 777, 840, 888, 997, 1036, 1110, 1295, 1480, 1554, 1994, 2072, 2220, 2590, 2991, 3108, 3885, 3988, 4440, 4985, 5180, 5982, 6216, 6979, 7770, 7976, 9970, 10360, 11964, 13958, 14955, 15540, 19940, 20937, 23928, 27916, 29910, 31080, 34895, 36889, 39880, 41874, 55832, 59820, 69790, 73778, 83748, 104685, 110667, 119640, 139580, 147556, 167496, 184445, 209370, 221334, 258223, 279160, 295112, 368890, 418740, 442668, 516446, 553335, 737780, 774669, 837480, 885336, 1032892, 1106670, 1291115, 1475560, 1549338, 2065784, 2213340, 2582230, 3098676, 3873345, 4426680, 5164460, 6197352, 7746690, 10328920, 15493380, 30986760]

約数ペア:

[(1, 30986760), (2, 15493380), (3, 10328920), (4, 7746690), (5, 6197352), (6, 5164460), (7, 4426680), (8, 3873345), (10, 3098676), (12, 2582230), (14, 2213340), (15, 2065784), (20, 1549338), (21, 1475560), (24, 1291115), (28, 1106670), (30, 1032892), (35, 885336), (37, 837480), (40, 774669), (42, 737780), (56, 553335), (60, 516446), (70, 442668), (74, 418740), (84, 368890), (105, 295112), (111, 279160), (120, 258223), (140, 221334), (148, 209370), (168, 184445), (185, 167496), (210, 147556), (222, 139580), (259, 119640), (280, 110667), (296, 104685), (370, 83748), (420, 73778), (444, 69790), (518, 59820), (555, 55832), (740, 41874), (777, 39880), (840, 36889), (888, 34895), (997, 31080), (1036, 29910), (1110, 27916), (1295, 23928), (1480, 20937), (1554, 19940), (1994, 15540), (2072, 14955), (2220, 13958), (2590, 11964), (2991, 10360), (3108, 9970), (3885, 7976), (3988, 7770), (4440, 6979), (4985, 6216), (5180, 5982)]