20171421720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{14153}}^1$

素因数の和:14314

約数の個数: 192

約数和(自身を含む): 67962978720

約数和(自身を除く): 47791557000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 37, 40, 45, 60, 72, 74, 90, 107, 111, 120, 148, 180, 185, 214, 222, 296, 321, 333, 360, 370, 428, 444, 535, 555, 642, 666, 740, 856, 888, 963, 1070, 1110, 1284, 1332, 1480, 1605, 1665, 1926, 2140, 2220, 2568, 2664, 3210, 3330, 3852, 3959, 4280, 4440, 4815, 6420, 6660, 7704, 7918, 9630, 11877, 12840, 13320, 14153, 15836, 19260, 19795, 23754, 28306, 31672, 35631, 38520, 39590, 42459, 47508, 56612, 59385, 70765, 71262, 79180, 84918, 95016, 113224, 118770, 127377, 141530, 142524, 158360, 169836, 178155, 212295, 237540, 254754, 283060, 285048, 339672, 356310, 424590, 475080, 509508, 523661, 566120, 636885, 712620, 849180, 1019016, 1047322, 1273770, 1425240, 1514371, 1570983, 1698360, 2094644, 2547540, 2618305, 3028742, 3141966, 4189288, 4543113, 4712949, 5095080, 5236610, 6057484, 6283932, 7571855, 7854915, 9086226, 9425898, 10473220, 12114968, 12567864, 13629339, 15143710, 15709830, 18172452, 18851796, 20946440, 22715565, 23564745, 27258678, 30287420, 31419660, 36344904, 37703592, 45431130, 47129490, 54517356, 56031727, 60574840, 62839320, 68146695, 90862260, 94258980, 109034712, 112063454, 136293390, 168095181, 181724520, 188517960, 224126908, 272586780, 280158635, 336190362, 448253816, 504285543, 545173560, 560317270, 672380724, 840475905, 1008571086, 1120634540, 1344761448, 1680951810, 2017142172, 2241269080, 2521427715, 3361903620, 4034284344, 5042855430, 6723807240, 10085710860, 20171421720]

約数ペア:

[(1, 20171421720), (2, 10085710860), (3, 6723807240), (4, 5042855430), (5, 4034284344), (6, 3361903620), (8, 2521427715), (9, 2241269080), (10, 2017142172), (12, 1680951810), (15, 1344761448), (18, 1120634540), (20, 1008571086), (24, 840475905), (30, 672380724), (36, 560317270), (37, 545173560), (40, 504285543), (45, 448253816), (60, 336190362), (72, 280158635), (74, 272586780), (90, 224126908), (107, 188517960), (111, 181724520), (120, 168095181), (148, 136293390), (180, 112063454), (185, 109034712), (214, 94258980), (222, 90862260), (296, 68146695), (321, 62839320), (333, 60574840), (360, 56031727), (370, 54517356), (428, 47129490), (444, 45431130), (535, 37703592), (555, 36344904), (642, 31419660), (666, 30287420), (740, 27258678), (856, 23564745), (888, 22715565), (963, 20946440), (1070, 18851796), (1110, 18172452), (1284, 15709830), (1332, 15143710), (1480, 13629339), (1605, 12567864), (1665, 12114968), (1926, 10473220), (2140, 9425898), (2220, 9086226), (2568, 7854915), (2664, 7571855), (3210, 6283932), (3330, 6057484), (3852, 5236610), (3959, 5095080), (4280, 4712949), (4440, 4543113), (4815, 4189288), (6420, 3141966), (6660, 3028742), (7704, 2618305), (7918, 2547540), (9630, 2094644), (11877, 1698360), (12840, 1570983), (13320, 1514371), (14153, 1425240), (15836, 1273770), (19260, 1047322), (19795, 1019016), (23754, 849180), (28306, 712620), (31672, 636885), (35631, 566120), (38520, 523661), (39590, 509508), (42459, 475080), (47508, 424590), (56612, 356310), (59385, 339672), (70765, 285048), (71262, 283060), (79180, 254754), (84918, 237540), (95016, 212295), (113224, 178155), (118770, 169836), (127377, 158360), (141530, 142524)]