20195288280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{2557}}^1$

素因数の和:2751

約数の個数: 256

約数和(自身を含む): 68955494400

約数和(自身を除く): 48760206120

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, 103, 108, 120, 135, 142, 180, 206, 213, 216, 270, 284, 309, 355, 360, 412, 426, 515, 540, 568, 618, 639, 710, 824, 852, 927, 1030, 1065, 1080, 1236, 1278, 1420, 1545, 1704, 1854, 1917, 2060, 2130, 2472, 2556, 2557, 2781, 2840, 3090, 3195, 3708, 3834, 4120, 4260, 4635, 5112, 5114, 5562, 6180, 6390, 7313, 7416, 7668, 7671, 8520, 9270, 9585, 10228, 11124, 12360, 12780, 12785, 13905, 14626, 15336, 15342, 18540, 19170, 20456, 21939, 22248, 23013, 25560, 25570, 27810, 29252, 30684, 36565, 37080, 38340, 38355, 43878, 46026, 51140, 55620, 58504, 61368, 65817, 69039, 73130, 76680, 76710, 87756, 92052, 102280, 109695, 111240, 115065, 131634, 138078, 146260, 153420, 175512, 181547, 184104, 197451, 219390, 230130, 263268, 263371, 276156, 292520, 306840, 329085, 345195, 363094, 394902, 438780, 460260, 526536, 526742, 544641, 552312, 658170, 690390, 726188, 789804, 790113, 877560, 907735, 920520, 987255, 1053484, 1089282, 1316340, 1316855, 1380780, 1452376, 1579608, 1580226, 1633923, 1815470, 1974510, 2106968, 2178564, 2370339, 2632680, 2633710, 2723205, 2761560, 3160452, 3267846, 3630940, 3949020, 3950565, 4357128, 4740678, 4901769, 5267420, 5446410, 6320904, 6535692, 7111017, 7261880, 7898040, 7901130, 8169615, 9481356, 9803538, 10534840, 10892820, 11851695, 13071384, 14222034, 15802260, 16339230, 18699341, 18962712, 19607076, 21785640, 23703390, 24508845, 28444068, 31604520, 32678460, 35555085, 37398682, 39214152, 47406780, 49017690, 56098023, 56888136, 65356920, 71110170, 74797364, 93496705, 94813560, 98035380, 112196046, 142220340, 149594728, 168294069, 186993410, 196070760, 224392092, 280490115, 284440680, 336588138, 373986820, 448784184, 504882207, 560980230, 673176276, 747973640, 841470345, 1009764414, 1121960460, 1346352552, 1682940690, 2019528828, 2243920920, 2524411035, 3365881380, 4039057656, 5048822070, 6731762760, 10097644140, 20195288280]

約数ペア:

[(1, 20195288280), (2, 10097644140), (3, 6731762760), (4, 5048822070), (5, 4039057656), (6, 3365881380), (8, 2524411035), (9, 2243920920), (10, 2019528828), (12, 1682940690), (15, 1346352552), (18, 1121960460), (20, 1009764414), (24, 841470345), (27, 747973640), (30, 673176276), (36, 560980230), (40, 504882207), (45, 448784184), (54, 373986820), (60, 336588138), (71, 284440680), (72, 280490115), (90, 224392092), (103, 196070760), (108, 186993410), (120, 168294069), (135, 149594728), (142, 142220340), (180, 112196046), (206, 98035380), (213, 94813560), (216, 93496705), (270, 74797364), (284, 71110170), (309, 65356920), (355, 56888136), (360, 56098023), (412, 49017690), (426, 47406780), (515, 39214152), (540, 37398682), (568, 35555085), (618, 32678460), (639, 31604520), (710, 28444068), (824, 24508845), (852, 23703390), (927, 21785640), (1030, 19607076), (1065, 18962712), (1080, 18699341), (1236, 16339230), (1278, 15802260), (1420, 14222034), (1545, 13071384), (1704, 11851695), (1854, 10892820), (1917, 10534840), (2060, 9803538), (2130, 9481356), (2472, 8169615), (2556, 7901130), (2557, 7898040), (2781, 7261880), (2840, 7111017), (3090, 6535692), (3195, 6320904), (3708, 5446410), (3834, 5267420), (4120, 4901769), (4260, 4740678), (4635, 4357128), (5112, 3950565), (5114, 3949020), (5562, 3630940), (6180, 3267846), (6390, 3160452), (7313, 2761560), (7416, 2723205), (7668, 2633710), (7671, 2632680), (8520, 2370339), (9270, 2178564), (9585, 2106968), (10228, 1974510), (11124, 1815470), (12360, 1633923), (12780, 1580226), (12785, 1579608), (13905, 1452376), (14626, 1380780), (15336, 1316855), (15342, 1316340), (18540, 1089282), (19170, 1053484), (20456, 987255), (21939, 920520), (22248, 907735), (23013, 877560), (25560, 790113), (25570, 789804), (27810, 726188), (29252, 690390), (30684, 658170), (36565, 552312), (37080, 544641), (38340, 526742), (38355, 526536), (43878, 460260), (46026, 438780), (51140, 394902), (55620, 363094), (58504, 345195), (61368, 329085), (65817, 306840), (69039, 292520), (73130, 276156), (76680, 263371), (76710, 263268), (87756, 230130), (92052, 219390), (102280, 197451), (109695, 184104), (111240, 181547), (115065, 175512), (131634, 153420), (138078, 146260)]