90009160

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{997}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 211615920

約数和(自身を除く): 121606760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 61, 74, 122, 148, 185, 244, 296, 305, 370, 488, 610, 740, 997, 1220, 1480, 1994, 2257, 2440, 3988, 4514, 4985, 7976, 9028, 9970, 11285, 18056, 19940, 22570, 36889, 39880, 45140, 60817, 73778, 90280, 121634, 147556, 184445, 243268, 295112, 304085, 368890, 486536, 608170, 737780, 1216340, 1475560, 2250229, 2432680, 4500458, 9000916, 11251145, 18001832, 22502290, 45004580, 90009160]

約数ペア:

[(1, 90009160), (2, 45004580), (4, 22502290), (5, 18001832), (8, 11251145), (10, 9000916), (20, 4500458), (37, 2432680), (40, 2250229), (61, 1475560), (74, 1216340), (122, 737780), (148, 608170), (185, 486536), (244, 368890), (296, 304085), (305, 295112), (370, 243268), (488, 184445), (610, 147556), (740, 121634), (997, 90280), (1220, 73778), (1480, 60817), (1994, 45140), (2257, 39880), (2440, 36889), (3988, 22570), (4514, 19940), (4985, 18056), (7976, 11285), (9028, 9970)]