1281227760

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31219}}^1$

素因数の和:31260

約数の個数: 160

約数和(自身を含む): 4645536000

約数和(自身を除く): 3364308240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 48, 54, 57, 60, 72, 76, 80, 90, 95, 108, 114, 120, 135, 144, 152, 171, 180, 190, 216, 228, 240, 270, 285, 304, 342, 360, 380, 432, 456, 513, 540, 570, 684, 720, 760, 855, 912, 1026, 1080, 1140, 1368, 1520, 1710, 2052, 2160, 2280, 2565, 2736, 3420, 4104, 4560, 5130, 6840, 8208, 10260, 13680, 20520, 31219, 41040, 62438, 93657, 124876, 156095, 187314, 249752, 280971, 312190, 374628, 468285, 499504, 561942, 593161, 624380, 749256, 842913, 936570, 1123884, 1186322, 1248760, 1404855, 1498512, 1685826, 1779483, 1873140, 2247768, 2372644, 2497520, 2809710, 2965805, 3371652, 3558966, 3746280, 4214565, 4495536, 4745288, 5338449, 5619420, 5931610, 6743304, 7117932, 7492560, 8429130, 8897415, 9490576, 10676898, 11238840, 11863220, 13486608, 14235864, 16015347, 16858260, 17794830, 21353796, 22477680, 23726440, 26692245, 28471728, 32030694, 33716520, 35589660, 42707592, 47452880, 53384490, 64061388, 67433040, 71179320, 80076735, 85415184, 106768980, 128122776, 142358640, 160153470, 213537960, 256245552, 320306940, 427075920, 640613880, 1281227760]

約数ペア:

[(1, 1281227760), (2, 640613880), (3, 427075920), (4, 320306940), (5, 256245552), (6, 213537960), (8, 160153470), (9, 142358640), (10, 128122776), (12, 106768980), (15, 85415184), (16, 80076735), (18, 71179320), (19, 67433040), (20, 64061388), (24, 53384490), (27, 47452880), (30, 42707592), (36, 35589660), (38, 33716520), (40, 32030694), (45, 28471728), (48, 26692245), (54, 23726440), (57, 22477680), (60, 21353796), (72, 17794830), (76, 16858260), (80, 16015347), (90, 14235864), (95, 13486608), (108, 11863220), (114, 11238840), (120, 10676898), (135, 9490576), (144, 8897415), (152, 8429130), (171, 7492560), (180, 7117932), (190, 6743304), (216, 5931610), (228, 5619420), (240, 5338449), (270, 4745288), (285, 4495536), (304, 4214565), (342, 3746280), (360, 3558966), (380, 3371652), (432, 2965805), (456, 2809710), (513, 2497520), (540, 2372644), (570, 2247768), (684, 1873140), (720, 1779483), (760, 1685826), (855, 1498512), (912, 1404855), (1026, 1248760), (1080, 1186322), (1140, 1123884), (1368, 936570), (1520, 842913), (1710, 749256), (2052, 624380), (2160, 593161), (2280, 561942), (2565, 499504), (2736, 468285), (3420, 374628), (4104, 312190), (4560, 280971), (5130, 249752), (6840, 187314), (8208, 156095), (10260, 124876), (13680, 93657), (20520, 62438), (31219, 41040)]