20879514720

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{81919}}^1$

素因数の和:82002

約数の個数: 192

約数和(自身を含む): 74317824000

約数和(自身を除く): 53438309280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 59, 60, 72, 80, 90, 96, 108, 118, 120, 135, 144, 160, 177, 180, 216, 236, 240, 270, 288, 295, 354, 360, 432, 472, 480, 531, 540, 590, 708, 720, 864, 885, 944, 1062, 1080, 1180, 1416, 1440, 1593, 1770, 1888, 2124, 2160, 2360, 2655, 2832, 3186, 3540, 4248, 4320, 4720, 5310, 5664, 6372, 7080, 7965, 8496, 9440, 10620, 12744, 14160, 15930, 16992, 21240, 25488, 28320, 31860, 42480, 50976, 63720, 81919, 84960, 127440, 163838, 245757, 254880, 327676, 409595, 491514, 655352, 737271, 819190, 983028, 1228785, 1310704, 1474542, 1638380, 1966056, 2211813, 2457570, 2621408, 2949084, 3276760, 3686355, 3932112, 4423626, 4833221, 4915140, 5898168, 6553520, 7372710, 7864224, 8847252, 9666442, 9830280, 11059065, 11796336, 13107040, 14499663, 14745420, 17694504, 19332884, 19660560, 22118130, 23592672, 24166105, 28999326, 29490840, 35389008, 38665768, 39321120, 43498989, 44236260, 48332210, 57998652, 58981680, 70778016, 72498315, 77331536, 86997978, 88472520, 96664420, 115997304, 117963360, 130496967, 144996630, 154663072, 173995956, 176945040, 193328840, 217494945, 231994608, 260993934, 289993260, 347991912, 353890080, 386657680, 434989890, 463989216, 521987868, 579986520, 652484835, 695983824, 773315360, 869979780, 1043975736, 1159973040, 1304969670, 1391967648, 1739959560, 2087951472, 2319946080, 2609939340, 3479919120, 4175902944, 5219878680, 6959838240, 10439757360, 20879514720]

約数ペア:

[(1, 20879514720), (2, 10439757360), (3, 6959838240), (4, 5219878680), (5, 4175902944), (6, 3479919120), (8, 2609939340), (9, 2319946080), (10, 2087951472), (12, 1739959560), (15, 1391967648), (16, 1304969670), (18, 1159973040), (20, 1043975736), (24, 869979780), (27, 773315360), (30, 695983824), (32, 652484835), (36, 579986520), (40, 521987868), (45, 463989216), (48, 434989890), (54, 386657680), (59, 353890080), (60, 347991912), (72, 289993260), (80, 260993934), (90, 231994608), (96, 217494945), (108, 193328840), (118, 176945040), (120, 173995956), (135, 154663072), (144, 144996630), (160, 130496967), (177, 117963360), (180, 115997304), (216, 96664420), (236, 88472520), (240, 86997978), (270, 77331536), (288, 72498315), (295, 70778016), (354, 58981680), (360, 57998652), (432, 48332210), (472, 44236260), (480, 43498989), (531, 39321120), (540, 38665768), (590, 35389008), (708, 29490840), (720, 28999326), (864, 24166105), (885, 23592672), (944, 22118130), (1062, 19660560), (1080, 19332884), (1180, 17694504), (1416, 14745420), (1440, 14499663), (1593, 13107040), (1770, 11796336), (1888, 11059065), (2124, 9830280), (2160, 9666442), (2360, 8847252), (2655, 7864224), (2832, 7372710), (3186, 6553520), (3540, 5898168), (4248, 4915140), (4320, 4833221), (4720, 4423626), (5310, 3932112), (5664, 3686355), (6372, 3276760), (7080, 2949084), (7965, 2621408), (8496, 2457570), (9440, 2211813), (10620, 1966056), (12744, 1638380), (14160, 1474542), (15930, 1310704), (16992, 1228785), (21240, 983028), (25488, 819190), (28320, 737271), (31860, 655352), (42480, 491514), (50976, 409595), (63720, 327676), (81919, 254880), (84960, 245757), (127440, 163838)]