80039520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:226

約数の個数: 288

約数和(自身を含む): 309464064

約数和(自身を除く): 229424544

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 31, 32, 33, 36, 40, 44, 45, 48, 55, 60, 62, 66, 72, 80, 88, 90, 93, 96, 99, 110, 120, 124, 132, 144, 155, 160, 163, 165, 176, 180, 186, 198, 220, 240, 248, 264, 279, 288, 310, 326, 330, 341, 352, 360, 372, 396, 440, 465, 480, 489, 495, 496, 528, 558, 620, 652, 660, 682, 720, 744, 792, 815, 880, 930, 978, 990, 992, 1023, 1056, 1116, 1240, 1304, 1320, 1364, 1395, 1440, 1467, 1488, 1584, 1630, 1705, 1760, 1793, 1860, 1956, 1980, 2046, 2232, 2445, 2480, 2608, 2640, 2728, 2790, 2934, 2976, 3069, 3168, 3260, 3410, 3586, 3720, 3912, 3960, 4092, 4464, 4890, 4960, 5053, 5115, 5216, 5280, 5379, 5456, 5580, 5868, 6138, 6520, 6820, 7172, 7335, 7440, 7824, 7920, 8184, 8928, 8965, 9780, 10106, 10230, 10758, 10912, 11160, 11736, 12276, 13040, 13640, 14344, 14670, 14880, 15159, 15345, 15648, 15840, 16137, 16368, 17930, 19560, 20212, 20460, 21516, 22320, 23472, 24552, 25265, 26080, 26895, 27280, 28688, 29340, 30318, 30690, 32274, 32736, 35860, 39120, 40424, 40920, 43032, 44640, 45477, 46944, 49104, 50530, 53790, 54560, 55583, 57376, 58680, 60636, 61380, 64548, 71720, 75795, 78240, 80685, 80848, 81840, 86064, 90954, 98208, 101060, 107580, 111166, 117360, 121272, 122760, 129096, 143440, 151590, 161370, 161696, 163680, 166749, 172128, 181908, 202120, 215160, 222332, 227385, 234720, 242544, 245520, 258192, 277915, 286880, 303180, 322740, 333498, 363816, 404240, 430320, 444664, 454770, 485088, 491040, 500247, 516384, 555830, 606360, 645480, 666996, 727632, 808480, 833745, 860640, 889328, 909540, 1000494, 1111660, 1212720, 1290960, 1333992, 1455264, 1667490, 1778656, 1819080, 2000988, 2223320, 2425440, 2501235, 2581920, 2667984, 3334980, 3638160, 4001976, 4446640, 5002470, 5335968, 6669960, 7276320, 8003952, 8893280, 10004940, 13339920, 16007904, 20009880, 26679840, 40019760, 80039520]

約数ペア:

[(1, 80039520), (2, 40019760), (3, 26679840), (4, 20009880), (5, 16007904), (6, 13339920), (8, 10004940), (9, 8893280), (10, 8003952), (11, 7276320), (12, 6669960), (15, 5335968), (16, 5002470), (18, 4446640), (20, 4001976), (22, 3638160), (24, 3334980), (30, 2667984), (31, 2581920), (32, 2501235), (33, 2425440), (36, 2223320), (40, 2000988), (44, 1819080), (45, 1778656), (48, 1667490), (55, 1455264), (60, 1333992), (62, 1290960), (66, 1212720), (72, 1111660), (80, 1000494), (88, 909540), (90, 889328), (93, 860640), (96, 833745), (99, 808480), (110, 727632), (120, 666996), (124, 645480), (132, 606360), (144, 555830), (155, 516384), (160, 500247), (163, 491040), (165, 485088), (176, 454770), (180, 444664), (186, 430320), (198, 404240), (220, 363816), (240, 333498), (248, 322740), (264, 303180), (279, 286880), (288, 277915), (310, 258192), (326, 245520), (330, 242544), (341, 234720), (352, 227385), (360, 222332), (372, 215160), (396, 202120), (440, 181908), (465, 172128), (480, 166749), (489, 163680), (495, 161696), (496, 161370), (528, 151590), (558, 143440), (620, 129096), (652, 122760), (660, 121272), (682, 117360), (720, 111166), (744, 107580), (792, 101060), (815, 98208), (880, 90954), (930, 86064), (978, 81840), (990, 80848), (992, 80685), (1023, 78240), (1056, 75795), (1116, 71720), (1240, 64548), (1304, 61380), (1320, 60636), (1364, 58680), (1395, 57376), (1440, 55583), (1467, 54560), (1488, 53790), (1584, 50530), (1630, 49104), (1705, 46944), (1760, 45477), (1793, 44640), (1860, 43032), (1956, 40920), (1980, 40424), (2046, 39120), (2232, 35860), (2445, 32736), (2480, 32274), (2608, 30690), (2640, 30318), (2728, 29340), (2790, 28688), (2934, 27280), (2976, 26895), (3069, 26080), (3168, 25265), (3260, 24552), (3410, 23472), (3586, 22320), (3720, 21516), (3912, 20460), (3960, 20212), (4092, 19560), (4464, 17930), (4890, 16368), (4960, 16137), (5053, 15840), (5115, 15648), (5216, 15345), (5280, 15159), (5379, 14880), (5456, 14670), (5580, 14344), (5868, 13640), (6138, 13040), (6520, 12276), (6820, 11736), (7172, 11160), (7335, 10912), (7440, 10758), (7824, 10230), (7920, 10106), (8184, 9780), (8928, 8965)]