1288405560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{19207}}^1$

素因数の和:19277

約数の個数: 128

約数和(自身を含む): 4259566080

約数和(自身を除く): 2971160520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 312, 344, 390, 430, 516, 520, 559, 645, 780, 860, 1032, 1118, 1290, 1560, 1677, 1720, 2236, 2580, 2795, 3354, 4472, 5160, 5590, 6708, 8385, 11180, 13416, 16770, 19207, 22360, 33540, 38414, 57621, 67080, 76828, 96035, 115242, 153656, 192070, 230484, 249691, 288105, 384140, 460968, 499382, 576210, 749073, 768280, 825901, 998764, 1152420, 1248455, 1498146, 1651802, 1997528, 2304840, 2477703, 2496910, 2996292, 3303604, 3745365, 4129505, 4955406, 4993820, 5992584, 6607208, 7490730, 8259010, 9910812, 9987640, 10736713, 12388515, 14981460, 16518020, 19821624, 21473426, 24777030, 29962920, 32210139, 33036040, 42946852, 49554060, 53683565, 64420278, 85893704, 99108120, 107367130, 128840556, 161050695, 214734260, 257681112, 322101390, 429468520, 644202780, 1288405560]

約数ペア:

[(1, 1288405560), (2, 644202780), (3, 429468520), (4, 322101390), (5, 257681112), (6, 214734260), (8, 161050695), (10, 128840556), (12, 107367130), (13, 99108120), (15, 85893704), (20, 64420278), (24, 53683565), (26, 49554060), (30, 42946852), (39, 33036040), (40, 32210139), (43, 29962920), (52, 24777030), (60, 21473426), (65, 19821624), (78, 16518020), (86, 14981460), (104, 12388515), (120, 10736713), (129, 9987640), (130, 9910812), (156, 8259010), (172, 7490730), (195, 6607208), (215, 5992584), (258, 4993820), (260, 4955406), (312, 4129505), (344, 3745365), (390, 3303604), (430, 2996292), (516, 2496910), (520, 2477703), (559, 2304840), (645, 1997528), (780, 1651802), (860, 1498146), (1032, 1248455), (1118, 1152420), (1290, 998764), (1560, 825901), (1677, 768280), (1720, 749073), (2236, 576210), (2580, 499382), (2795, 460968), (3354, 384140), (4472, 288105), (5160, 249691), (5590, 230484), (6708, 192070), (8385, 153656), (11180, 115242), (13416, 96035), (16770, 76828), (19207, 67080), (22360, 57621), (33540, 38414)]