64843020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32749}}^1$

素因数の和:32775

約数の個数: 72

約数和(自身を含む): 214578000

約数和(自身を除く): 149734980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 132, 165, 180, 198, 220, 330, 396, 495, 660, 990, 1980, 32749, 65498, 98247, 130996, 163745, 196494, 294741, 327490, 360239, 392988, 491235, 589482, 654980, 720478, 982470, 1080717, 1178964, 1440956, 1473705, 1801195, 1964940, 2161434, 2947410, 3242151, 3602390, 4322868, 5403585, 5894820, 6484302, 7204780, 10807170, 12968604, 16210755, 21614340, 32421510, 64843020]

約数ペア:

[(1, 64843020), (2, 32421510), (3, 21614340), (4, 16210755), (5, 12968604), (6, 10807170), (9, 7204780), (10, 6484302), (11, 5894820), (12, 5403585), (15, 4322868), (18, 3602390), (20, 3242151), (22, 2947410), (30, 2161434), (33, 1964940), (36, 1801195), (44, 1473705), (45, 1440956), (55, 1178964), (60, 1080717), (66, 982470), (90, 720478), (99, 654980), (110, 589482), (132, 491235), (165, 392988), (180, 360239), (198, 327490), (220, 294741), (330, 196494), (396, 163745), (495, 130996), (660, 98247), (990, 65498), (1980, 32749)]