1921841640

素因数分解:

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

素因数の和:31261

約数の個数: 160

約数和(自身を含む): 6799716000

約数和(自身を除く): 4877874360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 81, 90, 95, 108, 114, 120, 135, 152, 162, 171, 180, 190, 216, 228, 270, 285, 324, 342, 360, 380, 405, 456, 513, 540, 570, 648, 684, 760, 810, 855, 1026, 1080, 1140, 1368, 1539, 1620, 1710, 2052, 2280, 2565, 3078, 3240, 3420, 4104, 5130, 6156, 6840, 7695, 10260, 12312, 15390, 20520, 30780, 31219, 61560, 62438, 93657, 124876, 156095, 187314, 249752, 280971, 312190, 374628, 468285, 561942, 593161, 624380, 749256, 842913, 936570, 1123884, 1186322, 1248760, 1404855, 1685826, 1779483, 1873140, 2247768, 2372644, 2528739, 2809710, 2965805, 3371652, 3558966, 3746280, 4214565, 4745288, 5057478, 5338449, 5619420, 5931610, 6743304, 7117932, 8429130, 8897415, 10114956, 10676898, 11238840, 11863220, 12643695, 14235864, 16015347, 16858260, 17794830, 20229912, 21353796, 23726440, 25287390, 26692245, 32030694, 33716520, 35589660, 42707592, 48046041, 50574780, 53384490, 64061388, 71179320, 80076735, 96092082, 101149560, 106768980, 128122776, 160153470, 192184164, 213537960, 240230205, 320306940, 384368328, 480460410, 640613880, 960920820, 1921841640]

約数ペア:

[(1, 1921841640), (2, 960920820), (3, 640613880), (4, 480460410), (5, 384368328), (6, 320306940), (8, 240230205), (9, 213537960), (10, 192184164), (12, 160153470), (15, 128122776), (18, 106768980), (19, 101149560), (20, 96092082), (24, 80076735), (27, 71179320), (30, 64061388), (36, 53384490), (38, 50574780), (40, 48046041), (45, 42707592), (54, 35589660), (57, 33716520), (60, 32030694), (72, 26692245), (76, 25287390), (81, 23726440), (90, 21353796), (95, 20229912), (108, 17794830), (114, 16858260), (120, 16015347), (135, 14235864), (152, 12643695), (162, 11863220), (171, 11238840), (180, 10676898), (190, 10114956), (216, 8897415), (228, 8429130), (270, 7117932), (285, 6743304), (324, 5931610), (342, 5619420), (360, 5338449), (380, 5057478), (405, 4745288), (456, 4214565), (513, 3746280), (540, 3558966), (570, 3371652), (648, 2965805), (684, 2809710), (760, 2528739), (810, 2372644), (855, 2247768), (1026, 1873140), (1080, 1779483), (1140, 1685826), (1368, 1404855), (1539, 1248760), (1620, 1186322), (1710, 1123884), (2052, 936570), (2280, 842913), (2565, 749256), (3078, 624380), (3240, 593161), (3420, 561942), (4104, 468285), (5130, 374628), (6156, 312190), (6840, 280971), (7695, 249752), (10260, 187314), (12312, 156095), (15390, 124876), (20520, 93657), (30780, 62438), (31219, 61560)]