81677280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:928

約数の個数: 96

約数和(自身を含む): 258660864

約数和(自身を除く): 176983584

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 263, 480, 526, 647, 789, 1052, 1294, 1315, 1578, 1941, 2104, 2588, 2630, 3156, 3235, 3882, 3945, 4208, 5176, 5260, 6312, 6470, 7764, 7890, 8416, 9705, 10352, 10520, 12624, 12940, 15528, 15780, 19410, 20704, 21040, 25248, 25880, 31056, 31560, 38820, 42080, 51760, 62112, 63120, 77640, 103520, 126240, 155280, 170161, 310560, 340322, 510483, 680644, 850805, 1020966, 1361288, 1701610, 2041932, 2552415, 2722576, 3403220, 4083864, 5104830, 5445152, 6806440, 8167728, 10209660, 13612880, 16335456, 20419320, 27225760, 40838640, 81677280]

約数ペア:

[(1, 81677280), (2, 40838640), (3, 27225760), (4, 20419320), (5, 16335456), (6, 13612880), (8, 10209660), (10, 8167728), (12, 6806440), (15, 5445152), (16, 5104830), (20, 4083864), (24, 3403220), (30, 2722576), (32, 2552415), (40, 2041932), (48, 1701610), (60, 1361288), (80, 1020966), (96, 850805), (120, 680644), (160, 510483), (240, 340322), (263, 310560), (480, 170161), (526, 155280), (647, 126240), (789, 103520), (1052, 77640), (1294, 63120), (1315, 62112), (1578, 51760), (1941, 42080), (2104, 38820), (2588, 31560), (2630, 31056), (3156, 25880), (3235, 25248), (3882, 21040), (3945, 20704), (4208, 19410), (5176, 15780), (5260, 15528), (6312, 12940), (6470, 12624), (7764, 10520), (7890, 10352), (8416, 9705)]