28277120

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 128

約数和(自身を含む): 75349440

約数和(自身を除く): 47072320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 32, 34, 40, 46, 64, 68, 80, 85, 92, 113, 115, 128, 136, 160, 170, 184, 226, 230, 272, 320, 340, 368, 391, 452, 460, 544, 565, 640, 680, 736, 782, 904, 920, 1088, 1130, 1360, 1472, 1564, 1808, 1840, 1921, 1955, 2176, 2260, 2599, 2720, 2944, 3128, 3616, 3680, 3842, 3910, 4520, 5198, 5440, 6256, 7232, 7360, 7684, 7820, 9040, 9605, 10396, 10880, 12512, 12995, 14464, 14720, 15368, 15640, 18080, 19210, 20792, 25024, 25990, 30736, 31280, 36160, 38420, 41584, 44183, 50048, 51980, 61472, 62560, 72320, 76840, 83168, 88366, 103960, 122944, 125120, 153680, 166336, 176732, 207920, 220915, 245888, 250240, 307360, 332672, 353464, 415840, 441830, 614720, 706928, 831680, 883660, 1229440, 1413856, 1663360, 1767320, 2827712, 3534640, 5655424, 7069280, 14138560, 28277120]

約数ペア:

[(1, 28277120), (2, 14138560), (4, 7069280), (5, 5655424), (8, 3534640), (10, 2827712), (16, 1767320), (17, 1663360), (20, 1413856), (23, 1229440), (32, 883660), (34, 831680), (40, 706928), (46, 614720), (64, 441830), (68, 415840), (80, 353464), (85, 332672), (92, 307360), (113, 250240), (115, 245888), (128, 220915), (136, 207920), (160, 176732), (170, 166336), (184, 153680), (226, 125120), (230, 122944), (272, 103960), (320, 88366), (340, 83168), (368, 76840), (391, 72320), (452, 62560), (460, 61472), (544, 51980), (565, 50048), (640, 44183), (680, 41584), (736, 38420), (782, 36160), (904, 31280), (920, 30736), (1088, 25990), (1130, 25024), (1360, 20792), (1472, 19210), (1564, 18080), (1808, 15640), (1840, 15368), (1921, 14720), (1955, 14464), (2176, 12995), (2260, 12512), (2599, 10880), (2720, 10396), (2944, 9605), (3128, 9040), (3616, 7820), (3680, 7684), (3842, 7360), (3910, 7232), (4520, 6256), (5198, 5440)]