202030720

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{599}}^1$

素因数の和:666

約数の個数: 128

約数和(自身を含む): 528768000

約数和(自身を除く): 326737280

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 31, 32, 34, 40, 62, 64, 68, 80, 85, 124, 128, 136, 155, 160, 170, 248, 272, 310, 320, 340, 496, 527, 544, 599, 620, 640, 680, 992, 1054, 1088, 1198, 1240, 1360, 1984, 2108, 2176, 2396, 2480, 2635, 2720, 2995, 3968, 4216, 4792, 4960, 5270, 5440, 5990, 8432, 9584, 9920, 10183, 10540, 10880, 11980, 16864, 18569, 19168, 19840, 20366, 21080, 23960, 33728, 37138, 38336, 40732, 42160, 47920, 50915, 67456, 74276, 76672, 81464, 84320, 92845, 95840, 101830, 148552, 162928, 168640, 185690, 191680, 203660, 297104, 315673, 325856, 337280, 371380, 383360, 407320, 594208, 631346, 651712, 742760, 814640, 1188416, 1262692, 1303424, 1485520, 1578365, 1629280, 2376832, 2525384, 2971040, 3156730, 3258560, 5050768, 5942080, 6313460, 6517120, 10101536, 11884160, 12626920, 20203072, 25253840, 40406144, 50507680, 101015360, 202030720]

約数ペア:

[(1, 202030720), (2, 101015360), (4, 50507680), (5, 40406144), (8, 25253840), (10, 20203072), (16, 12626920), (17, 11884160), (20, 10101536), (31, 6517120), (32, 6313460), (34, 5942080), (40, 5050768), (62, 3258560), (64, 3156730), (68, 2971040), (80, 2525384), (85, 2376832), (124, 1629280), (128, 1578365), (136, 1485520), (155, 1303424), (160, 1262692), (170, 1188416), (248, 814640), (272, 742760), (310, 651712), (320, 631346), (340, 594208), (496, 407320), (527, 383360), (544, 371380), (599, 337280), (620, 325856), (640, 315673), (680, 297104), (992, 203660), (1054, 191680), (1088, 185690), (1198, 168640), (1240, 162928), (1360, 148552), (1984, 101830), (2108, 95840), (2176, 92845), (2396, 84320), (2480, 81464), (2635, 76672), (2720, 74276), (2995, 67456), (3968, 50915), (4216, 47920), (4792, 42160), (4960, 40732), (5270, 38336), (5440, 37138), (5990, 33728), (8432, 23960), (9584, 21080), (9920, 20366), (10183, 19840), (10540, 19168), (10880, 18569), (11980, 16864)]