20120141880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{262391}}^1$

素因数の和:262482

約数の個数: 128

約数和(自身を含む): 68012006400

約数和(自身を除く): 47891864520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 90, 108, 120, 135, 142, 180, 213, 216, 270, 284, 355, 360, 426, 540, 568, 639, 710, 852, 1065, 1080, 1278, 1420, 1704, 1917, 2130, 2556, 2840, 3195, 3834, 4260, 5112, 6390, 7668, 8520, 9585, 12780, 15336, 19170, 25560, 38340, 76680, 262391, 524782, 787173, 1049564, 1311955, 1574346, 2099128, 2361519, 2623910, 3148692, 3935865, 4723038, 5247820, 6297384, 7084557, 7871730, 9446076, 10495640, 11807595, 14169114, 15743460, 18629761, 18892152, 23615190, 28338228, 31486920, 35422785, 37259522, 47230380, 55889283, 56676456, 70845570, 74519044, 93148805, 94460760, 111778566, 141691140, 149038088, 167667849, 186297610, 223557132, 279446415, 283382280, 335335698, 372595220, 447114264, 503003547, 558892830, 670671396, 745190440, 838339245, 1006007094, 1117785660, 1341342792, 1676678490, 2012014188, 2235571320, 2515017735, 3353356980, 4024028376, 5030035470, 6706713960, 10060070940, 20120141880]

約数ペア:

[(1, 20120141880), (2, 10060070940), (3, 6706713960), (4, 5030035470), (5, 4024028376), (6, 3353356980), (8, 2515017735), (9, 2235571320), (10, 2012014188), (12, 1676678490), (15, 1341342792), (18, 1117785660), (20, 1006007094), (24, 838339245), (27, 745190440), (30, 670671396), (36, 558892830), (40, 503003547), (45, 447114264), (54, 372595220), (60, 335335698), (71, 283382280), (72, 279446415), (90, 223557132), (108, 186297610), (120, 167667849), (135, 149038088), (142, 141691140), (180, 111778566), (213, 94460760), (216, 93148805), (270, 74519044), (284, 70845570), (355, 56676456), (360, 55889283), (426, 47230380), (540, 37259522), (568, 35422785), (639, 31486920), (710, 28338228), (852, 23615190), (1065, 18892152), (1080, 18629761), (1278, 15743460), (1420, 14169114), (1704, 11807595), (1917, 10495640), (2130, 9446076), (2556, 7871730), (2840, 7084557), (3195, 6297384), (3834, 5247820), (4260, 4723038), (5112, 3935865), (6390, 3148692), (7668, 2623910), (8520, 2361519), (9585, 2099128), (12780, 1574346), (15336, 1311955), (19170, 1049564), (25560, 787173), (38340, 524782), (76680, 262391)]