1902991440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^3\times {\mathrm{23117}}^1$

素因数の和:23154

約数の個数: 160

約数和(自身を含む): 6879916800

約数和(自身を除く): 4976925360

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 98, 105, 112, 120, 140, 147, 168, 196, 210, 240, 245, 280, 294, 336, 343, 392, 420, 490, 560, 588, 686, 735, 784, 840, 980, 1029, 1176, 1372, 1470, 1680, 1715, 1960, 2058, 2352, 2744, 2940, 3430, 3920, 4116, 5145, 5488, 5880, 6860, 8232, 10290, 11760, 13720, 16464, 20580, 23117, 27440, 41160, 46234, 69351, 82320, 92468, 115585, 138702, 161819, 184936, 231170, 277404, 323638, 346755, 369872, 462340, 485457, 554808, 647276, 693510, 809095, 924680, 970914, 1109616, 1132733, 1294552, 1387020, 1618190, 1849360, 1941828, 2265466, 2427285, 2589104, 2774040, 3236380, 3398199, 3883656, 4530932, 4854570, 5548080, 5663665, 6472760, 6796398, 7767312, 7929131, 9061864, 9709140, 11327330, 12945520, 13592796, 15858262, 16990995, 18123728, 19418280, 22654660, 23787393, 27185592, 31716524, 33981990, 38836560, 39645655, 45309320, 47574786, 54371184, 63433048, 67963980, 79291310, 90618640, 95149572, 118936965, 126866096, 135927960, 158582620, 190299144, 237873930, 271855920, 317165240, 380598288, 475747860, 634330480, 951495720, 1902991440]

約数ペア:

[(1, 1902991440), (2, 951495720), (3, 634330480), (4, 475747860), (5, 380598288), (6, 317165240), (7, 271855920), (8, 237873930), (10, 190299144), (12, 158582620), (14, 135927960), (15, 126866096), (16, 118936965), (20, 95149572), (21, 90618640), (24, 79291310), (28, 67963980), (30, 63433048), (35, 54371184), (40, 47574786), (42, 45309320), (48, 39645655), (49, 38836560), (56, 33981990), (60, 31716524), (70, 27185592), (80, 23787393), (84, 22654660), (98, 19418280), (105, 18123728), (112, 16990995), (120, 15858262), (140, 13592796), (147, 12945520), (168, 11327330), (196, 9709140), (210, 9061864), (240, 7929131), (245, 7767312), (280, 6796398), (294, 6472760), (336, 5663665), (343, 5548080), (392, 4854570), (420, 4530932), (490, 3883656), (560, 3398199), (588, 3236380), (686, 2774040), (735, 2589104), (784, 2427285), (840, 2265466), (980, 1941828), (1029, 1849360), (1176, 1618190), (1372, 1387020), (1470, 1294552), (1680, 1132733), (1715, 1109616), (1960, 970914), (2058, 924680), (2352, 809095), (2744, 693510), (2940, 647276), (3430, 554808), (3920, 485457), (4116, 462340), (5145, 369872), (5488, 346755), (5880, 323638), (6860, 277404), (8232, 231170), (10290, 184936), (11760, 161819), (13720, 138702), (16464, 115585), (20580, 92468), (23117, 82320), (27440, 69351), (41160, 46234)]