18820207440

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{2904353}}^1$

素因数の和:2904378

約数の個数: 100

約数和(自身を含む): 65365391124

約数和(自身を除く): 46545183684

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 270, 324, 360, 405, 432, 540, 648, 720, 810, 1080, 1296, 1620, 2160, 3240, 6480, 2904353, 5808706, 8713059, 11617412, 14521765, 17426118, 23234824, 26139177, 29043530, 34852236, 43565295, 46469648, 52278354, 58087060, 69704472, 78417531, 87130590, 104556708, 116174120, 130695885, 139408944, 156835062, 174261180, 209113416, 232348240, 235252593, 261391770, 313670124, 348522360, 392087655, 418226832, 470505186, 522783540, 627340248, 697044720, 784175310, 941010372, 1045567080, 1176262965, 1254680496, 1568350620, 1882020744, 2091134160, 2352525930, 3136701240, 3764041488, 4705051860, 6273402480, 9410103720, 18820207440]

約数ペア:

[(1, 18820207440), (2, 9410103720), (3, 6273402480), (4, 4705051860), (5, 3764041488), (6, 3136701240), (8, 2352525930), (9, 2091134160), (10, 1882020744), (12, 1568350620), (15, 1254680496), (16, 1176262965), (18, 1045567080), (20, 941010372), (24, 784175310), (27, 697044720), (30, 627340248), (36, 522783540), (40, 470505186), (45, 418226832), (48, 392087655), (54, 348522360), (60, 313670124), (72, 261391770), (80, 235252593), (81, 232348240), (90, 209113416), (108, 174261180), (120, 156835062), (135, 139408944), (144, 130695885), (162, 116174120), (180, 104556708), (216, 87130590), (240, 78417531), (270, 69704472), (324, 58087060), (360, 52278354), (405, 46469648), (432, 43565295), (540, 34852236), (648, 29043530), (720, 26139177), (810, 23234824), (1080, 17426118), (1296, 14521765), (1620, 11617412), (2160, 8713059), (3240, 5808706), (6480, 2904353)]