987280920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{3557}}^1$

素因数の和:3834

約数の個数: 128

約数和(自身を含む): 3304670400

約数和(自身を除く): 2317389480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 257, 270, 360, 514, 540, 771, 1028, 1080, 1285, 1542, 2056, 2313, 2570, 3084, 3557, 3855, 4626, 5140, 6168, 6939, 7114, 7710, 9252, 10280, 10671, 11565, 13878, 14228, 15420, 17785, 18504, 21342, 23130, 27756, 28456, 30840, 32013, 34695, 35570, 42684, 46260, 53355, 55512, 64026, 69390, 71140, 85368, 92520, 96039, 106710, 128052, 138780, 142280, 160065, 192078, 213420, 256104, 277560, 320130, 384156, 426840, 480195, 640260, 768312, 914149, 960390, 1280520, 1828298, 1920780, 2742447, 3656596, 3841560, 4570745, 5484894, 7313192, 8227341, 9141490, 10969788, 13712235, 16454682, 18282980, 21939576, 24682023, 27424470, 32909364, 36565960, 41136705, 49364046, 54848940, 65818728, 82273410, 98728092, 109697880, 123410115, 164546820, 197456184, 246820230, 329093640, 493640460, 987280920]

約数ペア:

[(1, 987280920), (2, 493640460), (3, 329093640), (4, 246820230), (5, 197456184), (6, 164546820), (8, 123410115), (9, 109697880), (10, 98728092), (12, 82273410), (15, 65818728), (18, 54848940), (20, 49364046), (24, 41136705), (27, 36565960), (30, 32909364), (36, 27424470), (40, 24682023), (45, 21939576), (54, 18282980), (60, 16454682), (72, 13712235), (90, 10969788), (108, 9141490), (120, 8227341), (135, 7313192), (180, 5484894), (216, 4570745), (257, 3841560), (270, 3656596), (360, 2742447), (514, 1920780), (540, 1828298), (771, 1280520), (1028, 960390), (1080, 914149), (1285, 768312), (1542, 640260), (2056, 480195), (2313, 426840), (2570, 384156), (3084, 320130), (3557, 277560), (3855, 256104), (4626, 213420), (5140, 192078), (6168, 160065), (6939, 142280), (7114, 138780), (7710, 128052), (9252, 106710), (10280, 96039), (10671, 92520), (11565, 85368), (13878, 71140), (14228, 69390), (15420, 64026), (17785, 55512), (18504, 53355), (21342, 46260), (23130, 42684), (27756, 35570), (28456, 34695), (30840, 32013)]