645824520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2297}}^1$

素因数の和:2396

約数の個数: 192

約数和(自身を含む): 2323002240

約数和(自身を除く): 1677177720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 71, 72, 88, 90, 99, 110, 120, 132, 142, 165, 180, 198, 213, 220, 264, 284, 330, 355, 360, 396, 426, 440, 495, 568, 639, 660, 710, 781, 792, 852, 990, 1065, 1278, 1320, 1420, 1562, 1704, 1980, 2130, 2297, 2343, 2556, 2840, 3124, 3195, 3905, 3960, 4260, 4594, 4686, 5112, 6248, 6390, 6891, 7029, 7810, 8520, 9188, 9372, 11485, 11715, 12780, 13782, 14058, 15620, 18376, 18744, 20673, 22970, 23430, 25267, 25560, 27564, 28116, 31240, 34455, 35145, 41346, 45940, 46860, 50534, 55128, 56232, 68910, 70290, 75801, 82692, 91880, 93720, 101068, 103365, 126335, 137820, 140580, 151602, 163087, 165384, 202136, 206730, 227403, 252670, 275640, 281160, 303204, 326174, 379005, 413460, 454806, 489261, 505340, 606408, 652348, 758010, 815435, 826920, 909612, 978522, 1010680, 1137015, 1304696, 1467783, 1516020, 1630870, 1793957, 1819224, 1957044, 2274030, 2446305, 2935566, 3032040, 3261740, 3587914, 3914088, 4548060, 4892610, 5381871, 5871132, 6523480, 7175828, 7338915, 8969785, 9096120, 9785220, 10763742, 11742264, 14351656, 14677830, 16145613, 17939570, 19570440, 21527484, 26909355, 29355660, 32291226, 35879140, 43054968, 53818710, 58711320, 64582452, 71758280, 80728065, 107637420, 129164904, 161456130, 215274840, 322912260, 645824520]

約数ペア:

[(1, 645824520), (2, 322912260), (3, 215274840), (4, 161456130), (5, 129164904), (6, 107637420), (8, 80728065), (9, 71758280), (10, 64582452), (11, 58711320), (12, 53818710), (15, 43054968), (18, 35879140), (20, 32291226), (22, 29355660), (24, 26909355), (30, 21527484), (33, 19570440), (36, 17939570), (40, 16145613), (44, 14677830), (45, 14351656), (55, 11742264), (60, 10763742), (66, 9785220), (71, 9096120), (72, 8969785), (88, 7338915), (90, 7175828), (99, 6523480), (110, 5871132), (120, 5381871), (132, 4892610), (142, 4548060), (165, 3914088), (180, 3587914), (198, 3261740), (213, 3032040), (220, 2935566), (264, 2446305), (284, 2274030), (330, 1957044), (355, 1819224), (360, 1793957), (396, 1630870), (426, 1516020), (440, 1467783), (495, 1304696), (568, 1137015), (639, 1010680), (660, 978522), (710, 909612), (781, 826920), (792, 815435), (852, 758010), (990, 652348), (1065, 606408), (1278, 505340), (1320, 489261), (1420, 454806), (1562, 413460), (1704, 379005), (1980, 326174), (2130, 303204), (2297, 281160), (2343, 275640), (2556, 252670), (2840, 227403), (3124, 206730), (3195, 202136), (3905, 165384), (3960, 163087), (4260, 151602), (4594, 140580), (4686, 137820), (5112, 126335), (6248, 103365), (6390, 101068), (6891, 93720), (7029, 91880), (7810, 82692), (8520, 75801), (9188, 70290), (9372, 68910), (11485, 56232), (11715, 55128), (12780, 50534), (13782, 46860), (14058, 45940), (15620, 41346), (18376, 35145), (18744, 34455), (20673, 31240), (22970, 28116), (23430, 27564), (25267, 25560)]