305253760

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1117}}^1$

素因数の和:1204

約数の個数: 128

約数和(自身を含む): 848427840

約数和(自身を除く): 543174080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 122, 128, 140, 160, 224, 244, 280, 305, 320, 427, 448, 488, 560, 610, 640, 854, 896, 976, 1117, 1120, 1220, 1708, 1952, 2135, 2234, 2240, 2440, 3416, 3904, 4270, 4468, 4480, 4880, 5585, 6832, 7808, 7819, 8540, 8936, 9760, 11170, 13664, 15638, 17080, 17872, 19520, 22340, 27328, 31276, 34160, 35744, 39040, 39095, 44680, 54656, 62552, 68137, 68320, 71488, 78190, 89360, 125104, 136274, 136640, 142976, 156380, 178720, 250208, 272548, 273280, 312760, 340685, 357440, 476959, 500416, 545096, 625520, 681370, 714880, 953918, 1000832, 1090192, 1251040, 1362740, 1907836, 2180384, 2384795, 2502080, 2725480, 3815672, 4360768, 4769590, 5004160, 5450960, 7631344, 8721536, 9539180, 10901920, 15262688, 19078360, 21803840, 30525376, 38156720, 43607680, 61050752, 76313440, 152626880, 305253760]

約数ペア:

[(1, 305253760), (2, 152626880), (4, 76313440), (5, 61050752), (7, 43607680), (8, 38156720), (10, 30525376), (14, 21803840), (16, 19078360), (20, 15262688), (28, 10901920), (32, 9539180), (35, 8721536), (40, 7631344), (56, 5450960), (61, 5004160), (64, 4769590), (70, 4360768), (80, 3815672), (112, 2725480), (122, 2502080), (128, 2384795), (140, 2180384), (160, 1907836), (224, 1362740), (244, 1251040), (280, 1090192), (305, 1000832), (320, 953918), (427, 714880), (448, 681370), (488, 625520), (560, 545096), (610, 500416), (640, 476959), (854, 357440), (896, 340685), (976, 312760), (1117, 273280), (1120, 272548), (1220, 250208), (1708, 178720), (1952, 156380), (2135, 142976), (2234, 136640), (2240, 136274), (2440, 125104), (3416, 89360), (3904, 78190), (4270, 71488), (4468, 68320), (4480, 68137), (4880, 62552), (5585, 54656), (6832, 44680), (7808, 39095), (7819, 39040), (8540, 35744), (8936, 34160), (9760, 31276), (11170, 27328), (13664, 22340), (15638, 19520), (17080, 17872)]