76988560

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{983}}^1$

素因数の和:1096

約数の個数: 80

約数和(自身を含む): 197665920

約数和(自身を除く): 120677360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 89, 110, 176, 178, 220, 356, 440, 445, 712, 880, 890, 979, 983, 1424, 1780, 1958, 1966, 3560, 3916, 3932, 4895, 4915, 7120, 7832, 7864, 9790, 9830, 10813, 15664, 15728, 19580, 19660, 21626, 39160, 39320, 43252, 54065, 78320, 78640, 86504, 87487, 108130, 173008, 174974, 216260, 349948, 432520, 437435, 699896, 865040, 874870, 962357, 1399792, 1749740, 1924714, 3499480, 3849428, 4811785, 6998960, 7698856, 9623570, 15397712, 19247140, 38494280, 76988560]

約数ペア:

[(1, 76988560), (2, 38494280), (4, 19247140), (5, 15397712), (8, 9623570), (10, 7698856), (11, 6998960), (16, 4811785), (20, 3849428), (22, 3499480), (40, 1924714), (44, 1749740), (55, 1399792), (80, 962357), (88, 874870), (89, 865040), (110, 699896), (176, 437435), (178, 432520), (220, 349948), (356, 216260), (440, 174974), (445, 173008), (712, 108130), (880, 87487), (890, 86504), (979, 78640), (983, 78320), (1424, 54065), (1780, 43252), (1958, 39320), (1966, 39160), (3560, 21626), (3916, 19660), (3932, 19580), (4895, 15728), (4915, 15664), (7120, 10813), (7832, 9830), (7864, 9790)]