78105720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:218

約数の個数: 256

約数和(自身を含む): 298598400

約数和(自身を除く): 220492680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 66, 70, 77, 79, 84, 88, 105, 107, 110, 120, 132, 140, 154, 158, 165, 168, 210, 214, 220, 231, 237, 264, 280, 308, 316, 321, 330, 385, 395, 420, 428, 440, 462, 474, 535, 553, 616, 632, 642, 660, 749, 770, 790, 840, 856, 869, 924, 948, 1070, 1106, 1155, 1177, 1185, 1284, 1320, 1498, 1540, 1580, 1605, 1659, 1738, 1848, 1896, 2140, 2212, 2247, 2310, 2354, 2370, 2568, 2607, 2765, 2996, 3080, 3160, 3210, 3318, 3476, 3531, 3745, 4280, 4345, 4424, 4494, 4620, 4708, 4740, 5214, 5530, 5885, 5992, 6083, 6420, 6636, 6952, 7062, 7490, 8239, 8295, 8453, 8690, 8988, 9240, 9416, 9480, 10428, 11060, 11235, 11770, 12166, 12840, 13035, 13272, 14124, 14980, 16478, 16590, 16906, 17380, 17655, 17976, 18249, 20856, 22120, 22470, 23540, 24332, 24717, 25359, 26070, 28248, 29960, 30415, 32956, 33180, 33812, 34760, 35310, 36498, 41195, 42265, 44940, 47080, 48664, 49434, 50718, 52140, 59171, 60830, 65912, 66360, 67624, 70620, 72996, 82390, 84530, 89880, 91245, 92983, 98868, 101436, 104280, 118342, 121660, 123585, 126795, 141240, 145992, 164780, 169060, 177513, 182490, 185966, 197736, 202872, 236684, 243320, 247170, 253590, 278949, 295855, 329560, 338120, 355026, 364980, 371932, 464915, 473368, 494340, 507180, 557898, 591710, 650881, 710052, 729960, 743864, 887565, 929830, 988680, 1014360, 1115796, 1183420, 1301762, 1394745, 1420104, 1775130, 1859660, 1952643, 2231592, 2366840, 2603524, 2789490, 3254405, 3550260, 3719320, 3905286, 5207048, 5578980, 6508810, 7100520, 7810572, 9763215, 11157960, 13017620, 15621144, 19526430, 26035240, 39052860, 78105720]

約数ペア:

[(1, 78105720), (2, 39052860), (3, 26035240), (4, 19526430), (5, 15621144), (6, 13017620), (7, 11157960), (8, 9763215), (10, 7810572), (11, 7100520), (12, 6508810), (14, 5578980), (15, 5207048), (20, 3905286), (21, 3719320), (22, 3550260), (24, 3254405), (28, 2789490), (30, 2603524), (33, 2366840), (35, 2231592), (40, 1952643), (42, 1859660), (44, 1775130), (55, 1420104), (56, 1394745), (60, 1301762), (66, 1183420), (70, 1115796), (77, 1014360), (79, 988680), (84, 929830), (88, 887565), (105, 743864), (107, 729960), (110, 710052), (120, 650881), (132, 591710), (140, 557898), (154, 507180), (158, 494340), (165, 473368), (168, 464915), (210, 371932), (214, 364980), (220, 355026), (231, 338120), (237, 329560), (264, 295855), (280, 278949), (308, 253590), (316, 247170), (321, 243320), (330, 236684), (385, 202872), (395, 197736), (420, 185966), (428, 182490), (440, 177513), (462, 169060), (474, 164780), (535, 145992), (553, 141240), (616, 126795), (632, 123585), (642, 121660), (660, 118342), (749, 104280), (770, 101436), (790, 98868), (840, 92983), (856, 91245), (869, 89880), (924, 84530), (948, 82390), (1070, 72996), (1106, 70620), (1155, 67624), (1177, 66360), (1185, 65912), (1284, 60830), (1320, 59171), (1498, 52140), (1540, 50718), (1580, 49434), (1605, 48664), (1659, 47080), (1738, 44940), (1848, 42265), (1896, 41195), (2140, 36498), (2212, 35310), (2247, 34760), (2310, 33812), (2354, 33180), (2370, 32956), (2568, 30415), (2607, 29960), (2765, 28248), (2996, 26070), (3080, 25359), (3160, 24717), (3210, 24332), (3318, 23540), (3476, 22470), (3531, 22120), (3745, 20856), (4280, 18249), (4345, 17976), (4424, 17655), (4494, 17380), (4620, 16906), (4708, 16590), (4740, 16478), (5214, 14980), (5530, 14124), (5885, 13272), (5992, 13035), (6083, 12840), (6420, 12166), (6636, 11770), (6952, 11235), (7062, 11060), (7490, 10428), (8239, 9480), (8295, 9416), (8453, 9240), (8690, 8988)]