628689920

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{233}}^1$

素因数の和:306

約数の個数: 176

約数和(自身を含む): 1655417088

約数和(自身を除く): 1026727168

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, 512, 527, 544, 620, 640, 680, 932, 992, 1024, 1054, 1088, 1165, 1240, 1280, 1360, 1864, 1984, 2108, 2176, 2330, 2480, 2560, 2635, 2720, 3728, 3961, 3968, 4216, 4352, 4660, 4960, 5120, 5270, 5440, 7223, 7456, 7922, 7936, 8432, 8704, 9320, 9920, 10540, 10880, 14446, 14912, 15844, 15872, 16864, 17408, 18640, 19805, 19840, 21080, 21760, 28892, 29824, 31688, 31744, 33728, 36115, 37280, 39610, 39680, 42160, 43520, 57784, 59648, 63376, 67456, 72230, 74560, 79220, 79360, 84320, 87040, 115568, 119296, 122791, 126752, 134912, 144460, 149120, 158440, 158720, 168640, 231136, 238592, 245582, 253504, 269824, 288920, 298240, 316880, 337280, 462272, 491164, 507008, 539648, 577840, 596480, 613955, 633760, 674560, 924544, 982328, 1014016, 1155680, 1192960, 1227910, 1267520, 1349120, 1849088, 1964656, 2028032, 2311360, 2455820, 2535040, 2698240, 3698176, 3929312, 4056064, 4622720, 4911640, 5070080, 7396352, 7858624, 9245440, 9823280, 10140160, 15717248, 18490880, 19646560, 20280320, 31434496, 36981760, 39293120, 62868992, 78586240, 125737984, 157172480, 314344960, 628689920]

約数ペア:

[(1, 628689920), (2, 314344960), (4, 157172480), (5, 125737984), (8, 78586240), (10, 62868992), (16, 39293120), (17, 36981760), (20, 31434496), (31, 20280320), (32, 19646560), (34, 18490880), (40, 15717248), (62, 10140160), (64, 9823280), (68, 9245440), (80, 7858624), (85, 7396352), (124, 5070080), (128, 4911640), (136, 4622720), (155, 4056064), (160, 3929312), (170, 3698176), (233, 2698240), (248, 2535040), (256, 2455820), (272, 2311360), (310, 2028032), (320, 1964656), (340, 1849088), (466, 1349120), (496, 1267520), (512, 1227910), (527, 1192960), (544, 1155680), (620, 1014016), (640, 982328), (680, 924544), (932, 674560), (992, 633760), (1024, 613955), (1054, 596480), (1088, 577840), (1165, 539648), (1240, 507008), (1280, 491164), (1360, 462272), (1864, 337280), (1984, 316880), (2108, 298240), (2176, 288920), (2330, 269824), (2480, 253504), (2560, 245582), (2635, 238592), (2720, 231136), (3728, 168640), (3961, 158720), (3968, 158440), (4216, 149120), (4352, 144460), (4660, 134912), (4960, 126752), (5120, 122791), (5270, 119296), (5440, 115568), (7223, 87040), (7456, 84320), (7922, 79360), (7936, 79220), (8432, 74560), (8704, 72230), (9320, 67456), (9920, 63376), (10540, 59648), (10880, 57784), (14446, 43520), (14912, 42160), (15844, 39680), (15872, 39610), (16864, 37280), (17408, 36115), (18640, 33728), (19805, 31744), (19840, 31688), (21080, 29824), (21760, 28892)]