18870806880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{247259}}^1$

素因数の和:247333

約数の個数: 144

約数和(自身を含む): 65611924560

約数和(自身を除く): 46741117680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 265, 288, 318, 360, 424, 477, 480, 530, 636, 720, 795, 848, 954, 1060, 1272, 1440, 1590, 1696, 1908, 2120, 2385, 2544, 3180, 3816, 4240, 4770, 5088, 6360, 7632, 8480, 9540, 12720, 15264, 19080, 25440, 38160, 76320, 247259, 494518, 741777, 989036, 1236295, 1483554, 1978072, 2225331, 2472590, 2967108, 3708885, 3956144, 4450662, 4945180, 5934216, 7417770, 7912288, 8901324, 9890360, 11126655, 11868432, 13104727, 14835540, 17802648, 19780720, 22253310, 23736864, 26209454, 29671080, 35605296, 39314181, 39561440, 44506620, 52418908, 59342160, 65523635, 71210592, 78628362, 89013240, 104837816, 117942543, 118684320, 131047270, 157256724, 178026480, 196570905, 209675632, 235885086, 262094540, 314513448, 356052960, 393141810, 419351264, 471770172, 524189080, 589712715, 629026896, 786283620, 943540344, 1048378160, 1179425430, 1258053792, 1572567240, 1887080688, 2096756320, 2358850860, 3145134480, 3774161376, 4717701720, 6290268960, 9435403440, 18870806880]

約数ペア:

[(1, 18870806880), (2, 9435403440), (3, 6290268960), (4, 4717701720), (5, 3774161376), (6, 3145134480), (8, 2358850860), (9, 2096756320), (10, 1887080688), (12, 1572567240), (15, 1258053792), (16, 1179425430), (18, 1048378160), (20, 943540344), (24, 786283620), (30, 629026896), (32, 589712715), (36, 524189080), (40, 471770172), (45, 419351264), (48, 393141810), (53, 356052960), (60, 314513448), (72, 262094540), (80, 235885086), (90, 209675632), (96, 196570905), (106, 178026480), (120, 157256724), (144, 131047270), (159, 118684320), (160, 117942543), (180, 104837816), (212, 89013240), (240, 78628362), (265, 71210592), (288, 65523635), (318, 59342160), (360, 52418908), (424, 44506620), (477, 39561440), (480, 39314181), (530, 35605296), (636, 29671080), (720, 26209454), (795, 23736864), (848, 22253310), (954, 19780720), (1060, 17802648), (1272, 14835540), (1440, 13104727), (1590, 11868432), (1696, 11126655), (1908, 9890360), (2120, 8901324), (2385, 7912288), (2544, 7417770), (3180, 5934216), (3816, 4945180), (4240, 4450662), (4770, 3956144), (5088, 3708885), (6360, 2967108), (7632, 2472590), (8480, 2225331), (9540, 1978072), (12720, 1483554), (15264, 1236295), (19080, 989036), (25440, 741777), (38160, 494518), (76320, 247259)]