157172480

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:302

約数の個数: 144

約数和(自身を含む): 413247744

約数和(自身を除く): 256075264

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, 233, 248, 256, 272, 310, 320, 340, 466, 496, 527, 544, 620, 640, 680, 932, 992, 1054, 1088, 1165, 1240, 1280, 1360, 1864, 1984, 2108, 2176, 2330, 2480, 2635, 2720, 3728, 3961, 3968, 4216, 4352, 4660, 4960, 5270, 5440, 7223, 7456, 7922, 7936, 8432, 9320, 9920, 10540, 10880, 14446, 14912, 15844, 16864, 18640, 19805, 19840, 21080, 21760, 28892, 29824, 31688, 33728, 36115, 37280, 39610, 39680, 42160, 57784, 59648, 63376, 67456, 72230, 74560, 79220, 84320, 115568, 122791, 126752, 134912, 144460, 149120, 158440, 168640, 231136, 245582, 253504, 288920, 298240, 316880, 337280, 462272, 491164, 507008, 577840, 613955, 633760, 674560, 924544, 982328, 1014016, 1155680, 1227910, 1267520, 1849088, 1964656, 2311360, 2455820, 2535040, 3929312, 4622720, 4911640, 5070080, 7858624, 9245440, 9823280, 15717248, 19646560, 31434496, 39293120, 78586240, 157172480]

約数ペア:

[(1, 157172480), (2, 78586240), (4, 39293120), (5, 31434496), (8, 19646560), (10, 15717248), (16, 9823280), (17, 9245440), (20, 7858624), (31, 5070080), (32, 4911640), (34, 4622720), (40, 3929312), (62, 2535040), (64, 2455820), (68, 2311360), (80, 1964656), (85, 1849088), (124, 1267520), (128, 1227910), (136, 1155680), (155, 1014016), (160, 982328), (170, 924544), (233, 674560), (248, 633760), (256, 613955), (272, 577840), (310, 507008), (320, 491164), (340, 462272), (466, 337280), (496, 316880), (527, 298240), (544, 288920), (620, 253504), (640, 245582), (680, 231136), (932, 168640), (992, 158440), (1054, 149120), (1088, 144460), (1165, 134912), (1240, 126752), (1280, 122791), (1360, 115568), (1864, 84320), (1984, 79220), (2108, 74560), (2176, 72230), (2330, 67456), (2480, 63376), (2635, 59648), (2720, 57784), (3728, 42160), (3961, 39680), (3968, 39610), (4216, 37280), (4352, 36115), (4660, 33728), (4960, 31688), (5270, 29824), (5440, 28892), (7223, 21760), (7456, 21080), (7922, 19840), (7936, 19805), (8432, 18640), (9320, 16864), (9920, 15844), (10540, 14912), (10880, 14446)]