80493560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 128

約数和(自身を含む): 223948800

約数和(自身を除く): 143455240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 92, 115, 116, 140, 145, 161, 184, 203, 230, 232, 280, 290, 322, 406, 431, 460, 580, 644, 667, 805, 812, 862, 920, 1015, 1160, 1288, 1334, 1610, 1624, 1724, 2030, 2155, 2668, 3017, 3220, 3335, 3448, 4060, 4310, 4669, 5336, 6034, 6440, 6670, 8120, 8620, 9338, 9913, 12068, 12499, 13340, 15085, 17240, 18676, 19826, 23345, 24136, 24998, 26680, 30170, 37352, 39652, 46690, 49565, 49996, 60340, 62495, 69391, 79304, 87493, 93380, 99130, 99992, 120680, 124990, 138782, 174986, 186760, 198260, 249980, 277564, 287477, 346955, 349972, 396520, 437465, 499960, 555128, 574954, 693910, 699944, 874930, 1149908, 1387820, 1437385, 1749860, 2012339, 2299816, 2775640, 2874770, 3499720, 4024678, 5749540, 8049356, 10061695, 11499080, 16098712, 20123390, 40246780, 80493560]

約数ペア:

[(1, 80493560), (2, 40246780), (4, 20123390), (5, 16098712), (7, 11499080), (8, 10061695), (10, 8049356), (14, 5749540), (20, 4024678), (23, 3499720), (28, 2874770), (29, 2775640), (35, 2299816), (40, 2012339), (46, 1749860), (56, 1437385), (58, 1387820), (70, 1149908), (92, 874930), (115, 699944), (116, 693910), (140, 574954), (145, 555128), (161, 499960), (184, 437465), (203, 396520), (230, 349972), (232, 346955), (280, 287477), (290, 277564), (322, 249980), (406, 198260), (431, 186760), (460, 174986), (580, 138782), (644, 124990), (667, 120680), (805, 99992), (812, 99130), (862, 93380), (920, 87493), (1015, 79304), (1160, 69391), (1288, 62495), (1334, 60340), (1610, 49996), (1624, 49565), (1724, 46690), (2030, 39652), (2155, 37352), (2668, 30170), (3017, 26680), (3220, 24998), (3335, 24136), (3448, 23345), (4060, 19826), (4310, 18676), (4669, 17240), (5336, 15085), (6034, 13340), (6440, 12499), (6670, 12068), (8120, 9913), (8620, 9338)]