72166640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1$

素因数の和:487

約数の個数: 160

約数和(自身を含む): 215986176

約数和(自身を除く): 143819536

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 80, 91, 92, 104, 112, 115, 130, 140, 161, 182, 184, 208, 230, 260, 280, 299, 322, 364, 368, 431, 455, 460, 520, 560, 598, 644, 728, 805, 862, 910, 920, 1040, 1196, 1288, 1456, 1495, 1610, 1724, 1820, 1840, 2093, 2155, 2392, 2576, 2990, 3017, 3220, 3448, 3640, 4186, 4310, 4784, 5603, 5980, 6034, 6440, 6896, 7280, 8372, 8620, 9913, 10465, 11206, 11960, 12068, 12880, 15085, 16744, 17240, 19826, 20930, 22412, 23920, 24136, 28015, 30170, 33488, 34480, 39221, 39652, 41860, 44824, 48272, 49565, 56030, 60340, 69391, 78442, 79304, 83720, 89648, 99130, 112060, 120680, 128869, 138782, 156884, 158608, 167440, 196105, 198260, 224120, 241360, 257738, 277564, 313768, 346955, 392210, 396520, 448240, 515476, 555128, 627536, 644345, 693910, 784420, 793040, 902083, 1030952, 1110256, 1288690, 1387820, 1568840, 1804166, 2061904, 2577380, 2775640, 3137680, 3608332, 4510415, 5154760, 5551280, 7216664, 9020830, 10309520, 14433328, 18041660, 36083320, 72166640]

約数ペア:

[(1, 72166640), (2, 36083320), (4, 18041660), (5, 14433328), (7, 10309520), (8, 9020830), (10, 7216664), (13, 5551280), (14, 5154760), (16, 4510415), (20, 3608332), (23, 3137680), (26, 2775640), (28, 2577380), (35, 2061904), (40, 1804166), (46, 1568840), (52, 1387820), (56, 1288690), (65, 1110256), (70, 1030952), (80, 902083), (91, 793040), (92, 784420), (104, 693910), (112, 644345), (115, 627536), (130, 555128), (140, 515476), (161, 448240), (182, 396520), (184, 392210), (208, 346955), (230, 313768), (260, 277564), (280, 257738), (299, 241360), (322, 224120), (364, 198260), (368, 196105), (431, 167440), (455, 158608), (460, 156884), (520, 138782), (560, 128869), (598, 120680), (644, 112060), (728, 99130), (805, 89648), (862, 83720), (910, 79304), (920, 78442), (1040, 69391), (1196, 60340), (1288, 56030), (1456, 49565), (1495, 48272), (1610, 44824), (1724, 41860), (1820, 39652), (1840, 39221), (2093, 34480), (2155, 33488), (2392, 30170), (2576, 28015), (2990, 24136), (3017, 23920), (3220, 22412), (3448, 20930), (3640, 19826), (4186, 17240), (4310, 16744), (4784, 15085), (5603, 12880), (5980, 12068), (6034, 11960), (6440, 11206), (6896, 10465), (7280, 9913), (8372, 8620)]