206847680

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2617}}^1$

素因数の和:2666

約数の個数: 112

約数和(自身を含む): 558576480

約数和(自身を除く): 351728800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 32, 38, 40, 52, 64, 65, 76, 80, 95, 104, 130, 152, 160, 190, 208, 247, 260, 304, 320, 380, 416, 494, 520, 608, 760, 832, 988, 1040, 1216, 1235, 1520, 1976, 2080, 2470, 2617, 3040, 3952, 4160, 4940, 5234, 6080, 7904, 9880, 10468, 13085, 15808, 19760, 20936, 26170, 34021, 39520, 41872, 49723, 52340, 68042, 79040, 83744, 99446, 104680, 136084, 167488, 170105, 198892, 209360, 248615, 272168, 340210, 397784, 418720, 497230, 544336, 646399, 680420, 795568, 837440, 994460, 1088672, 1292798, 1360840, 1591136, 1988920, 2177344, 2585596, 2721680, 3182272, 3231995, 3977840, 5171192, 5443360, 6463990, 7955680, 10342384, 10886720, 12927980, 15911360, 20684768, 25855960, 41369536, 51711920, 103423840, 206847680]

約数ペア:

[(1, 206847680), (2, 103423840), (4, 51711920), (5, 41369536), (8, 25855960), (10, 20684768), (13, 15911360), (16, 12927980), (19, 10886720), (20, 10342384), (26, 7955680), (32, 6463990), (38, 5443360), (40, 5171192), (52, 3977840), (64, 3231995), (65, 3182272), (76, 2721680), (80, 2585596), (95, 2177344), (104, 1988920), (130, 1591136), (152, 1360840), (160, 1292798), (190, 1088672), (208, 994460), (247, 837440), (260, 795568), (304, 680420), (320, 646399), (380, 544336), (416, 497230), (494, 418720), (520, 397784), (608, 340210), (760, 272168), (832, 248615), (988, 209360), (1040, 198892), (1216, 170105), (1235, 167488), (1520, 136084), (1976, 104680), (2080, 99446), (2470, 83744), (2617, 79040), (3040, 68042), (3952, 52340), (4160, 49723), (4940, 41872), (5234, 39520), (6080, 34021), (7904, 26170), (9880, 20936), (10468, 19760), (13085, 15808)]