28430080

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1$

素因数の和:214

約数の個数: 144

約数和(自身を含む): 82414080

約数和(自身を除く): 53984000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 167, 190, 224, 256, 266, 280, 304, 320, 334, 380, 448, 532, 560, 608, 640, 665, 668, 760, 835, 896, 1064, 1120, 1169, 1216, 1280, 1330, 1336, 1520, 1670, 1792, 2128, 2240, 2338, 2432, 2660, 2672, 3040, 3173, 3340, 4256, 4480, 4676, 4864, 5320, 5344, 5845, 6080, 6346, 6680, 8512, 8960, 9352, 10640, 10688, 11690, 12160, 12692, 13360, 15865, 17024, 18704, 21280, 21376, 22211, 23380, 24320, 25384, 26720, 31730, 34048, 37408, 42560, 42752, 44422, 46760, 50768, 53440, 63460, 74816, 85120, 88844, 93520, 101536, 106880, 111055, 126920, 149632, 170240, 177688, 187040, 203072, 213760, 222110, 253840, 299264, 355376, 374080, 406144, 444220, 507680, 710752, 748160, 812288, 888440, 1015360, 1421504, 1496320, 1776880, 2030720, 2843008, 3553760, 4061440, 5686016, 7107520, 14215040, 28430080]

約数ペア:

[(1, 28430080), (2, 14215040), (4, 7107520), (5, 5686016), (7, 4061440), (8, 3553760), (10, 2843008), (14, 2030720), (16, 1776880), (19, 1496320), (20, 1421504), (28, 1015360), (32, 888440), (35, 812288), (38, 748160), (40, 710752), (56, 507680), (64, 444220), (70, 406144), (76, 374080), (80, 355376), (95, 299264), (112, 253840), (128, 222110), (133, 213760), (140, 203072), (152, 187040), (160, 177688), (167, 170240), (190, 149632), (224, 126920), (256, 111055), (266, 106880), (280, 101536), (304, 93520), (320, 88844), (334, 85120), (380, 74816), (448, 63460), (532, 53440), (560, 50768), (608, 46760), (640, 44422), (665, 42752), (668, 42560), (760, 37408), (835, 34048), (896, 31730), (1064, 26720), (1120, 25384), (1169, 24320), (1216, 23380), (1280, 22211), (1330, 21376), (1336, 21280), (1520, 18704), (1670, 17024), (1792, 15865), (2128, 13360), (2240, 12692), (2338, 12160), (2432, 11690), (2660, 10688), (2672, 10640), (3040, 9352), (3173, 8960), (3340, 8512), (4256, 6680), (4480, 6346), (4676, 6080), (4864, 5845), (5320, 5344)]