78887160

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1811}}^1$

素因数の和:1850

約数の個数: 144

約数和(自身を含む): 281965320

約数和(自身を除く): 203078160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 440, 484, 495, 605, 660, 726, 792, 968, 990, 1089, 1210, 1320, 1452, 1811, 1815, 1980, 2178, 2420, 2904, 3622, 3630, 3960, 4356, 4840, 5433, 5445, 7244, 7260, 8712, 9055, 10866, 10890, 14488, 14520, 16299, 18110, 19921, 21732, 21780, 27165, 32598, 36220, 39842, 43464, 43560, 54330, 59763, 65196, 72440, 79684, 81495, 99605, 108660, 119526, 130392, 159368, 162990, 179289, 199210, 217320, 219131, 239052, 298815, 325980, 358578, 398420, 438262, 478104, 597630, 651960, 657393, 717156, 796840, 876524, 896445, 1095655, 1195260, 1314786, 1434312, 1753048, 1792890, 1972179, 2191310, 2390520, 2629572, 3286965, 3585780, 3944358, 4382620, 5259144, 6573930, 7171560, 7888716, 8765240, 9860895, 13147860, 15777432, 19721790, 26295720, 39443580, 78887160]

約数ペア:

[(1, 78887160), (2, 39443580), (3, 26295720), (4, 19721790), (5, 15777432), (6, 13147860), (8, 9860895), (9, 8765240), (10, 7888716), (11, 7171560), (12, 6573930), (15, 5259144), (18, 4382620), (20, 3944358), (22, 3585780), (24, 3286965), (30, 2629572), (33, 2390520), (36, 2191310), (40, 1972179), (44, 1792890), (45, 1753048), (55, 1434312), (60, 1314786), (66, 1195260), (72, 1095655), (88, 896445), (90, 876524), (99, 796840), (110, 717156), (120, 657393), (121, 651960), (132, 597630), (165, 478104), (180, 438262), (198, 398420), (220, 358578), (242, 325980), (264, 298815), (330, 239052), (360, 219131), (363, 217320), (396, 199210), (440, 179289), (484, 162990), (495, 159368), (605, 130392), (660, 119526), (726, 108660), (792, 99605), (968, 81495), (990, 79684), (1089, 72440), (1210, 65196), (1320, 59763), (1452, 54330), (1811, 43560), (1815, 43464), (1980, 39842), (2178, 36220), (2420, 32598), (2904, 27165), (3622, 21780), (3630, 21732), (3960, 19921), (4356, 18110), (4840, 16299), (5433, 14520), (5445, 14488), (7244, 10890), (7260, 10866), (8712, 9055)]