128225560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{1867}}^1$

素因数の和:1996

約数の個数: 64

約数和(自身を含む): 308668320

約数和(自身を除く): 180442760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 101, 136, 170, 202, 340, 404, 505, 680, 808, 1010, 1717, 1867, 2020, 3434, 3734, 4040, 6868, 7468, 8585, 9335, 13736, 14936, 17170, 18670, 31739, 34340, 37340, 63478, 68680, 74680, 126956, 158695, 188567, 253912, 317390, 377134, 634780, 754268, 942835, 1269560, 1508536, 1885670, 3205639, 3771340, 6411278, 7542680, 12822556, 16028195, 25645112, 32056390, 64112780, 128225560]

約数ペア:

[(1, 128225560), (2, 64112780), (4, 32056390), (5, 25645112), (8, 16028195), (10, 12822556), (17, 7542680), (20, 6411278), (34, 3771340), (40, 3205639), (68, 1885670), (85, 1508536), (101, 1269560), (136, 942835), (170, 754268), (202, 634780), (340, 377134), (404, 317390), (505, 253912), (680, 188567), (808, 158695), (1010, 126956), (1717, 74680), (1867, 68680), (2020, 63478), (3434, 37340), (3734, 34340), (4040, 31739), (6868, 18670), (7468, 17170), (8585, 14936), (9335, 13736)]