7988364800

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:889

約数の個数: 240

約数和(自身を含む): 21691184592

約数和(自身を除く): 13702819792

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 61, 64, 65, 80, 100, 104, 122, 128, 130, 160, 200, 208, 244, 256, 260, 305, 320, 325, 400, 416, 488, 512, 520, 610, 640, 650, 787, 793, 800, 832, 976, 1040, 1220, 1280, 1300, 1525, 1574, 1586, 1600, 1664, 1952, 2080, 2440, 2560, 2600, 3050, 3148, 3172, 3200, 3328, 3904, 3935, 3965, 4160, 4880, 5200, 6100, 6296, 6344, 6400, 6656, 7808, 7870, 7930, 8320, 9760, 10231, 10400, 12200, 12592, 12688, 12800, 15616, 15740, 15860, 16640, 19520, 19675, 19825, 20462, 20800, 24400, 25184, 25376, 31232, 31480, 31720, 33280, 39040, 39350, 39650, 40924, 41600, 48007, 48800, 50368, 50752, 51155, 62960, 63440, 78080, 78700, 79300, 81848, 83200, 96014, 97600, 100736, 101504, 102310, 125920, 126880, 156160, 157400, 158600, 163696, 166400, 192028, 195200, 201472, 203008, 204620, 240035, 251840, 253760, 255775, 314800, 317200, 327392, 384056, 390400, 402944, 406016, 409240, 480070, 503680, 507520, 511550, 624091, 629600, 634400, 654784, 768112, 780800, 818480, 960140, 1007360, 1015040, 1023100, 1200175, 1248182, 1259200, 1268800, 1309568, 1536224, 1636960, 1920280, 2014720, 2030080, 2046200, 2400350, 2496364, 2518400, 2537600, 2619136, 3072448, 3120455, 3273920, 3840560, 4092400, 4800700, 4992728, 5036800, 5075200, 5238272, 6144896, 6240910, 6547840, 7681120, 8184800, 9601400, 9985456, 10073600, 10150400, 12289792, 12481820, 13095680, 15362240, 15602275, 16369600, 19202800, 19970912, 24579584, 24963640, 26191360, 30724480, 31204550, 32739200, 38405600, 39941824, 49927280, 61448960, 62409100, 65478400, 76811200, 79883648, 99854560, 122897920, 124818200, 130956800, 153622400, 159767296, 199709120, 249636400, 307244800, 319534592, 399418240, 499272800, 614489600, 798836480, 998545600, 1597672960, 1997091200, 3994182400, 7988364800]

約数ペア:

[(1, 7988364800), (2, 3994182400), (4, 1997091200), (5, 1597672960), (8, 998545600), (10, 798836480), (13, 614489600), (16, 499272800), (20, 399418240), (25, 319534592), (26, 307244800), (32, 249636400), (40, 199709120), (50, 159767296), (52, 153622400), (61, 130956800), (64, 124818200), (65, 122897920), (80, 99854560), (100, 79883648), (104, 76811200), (122, 65478400), (128, 62409100), (130, 61448960), (160, 49927280), (200, 39941824), (208, 38405600), (244, 32739200), (256, 31204550), (260, 30724480), (305, 26191360), (320, 24963640), (325, 24579584), (400, 19970912), (416, 19202800), (488, 16369600), (512, 15602275), (520, 15362240), (610, 13095680), (640, 12481820), (650, 12289792), (787, 10150400), (793, 10073600), (800, 9985456), (832, 9601400), (976, 8184800), (1040, 7681120), (1220, 6547840), (1280, 6240910), (1300, 6144896), (1525, 5238272), (1574, 5075200), (1586, 5036800), (1600, 4992728), (1664, 4800700), (1952, 4092400), (2080, 3840560), (2440, 3273920), (2560, 3120455), (2600, 3072448), (3050, 2619136), (3148, 2537600), (3172, 2518400), (3200, 2496364), (3328, 2400350), (3904, 2046200), (3935, 2030080), (3965, 2014720), (4160, 1920280), (4880, 1636960), (5200, 1536224), (6100, 1309568), (6296, 1268800), (6344, 1259200), (6400, 1248182), (6656, 1200175), (7808, 1023100), (7870, 1015040), (7930, 1007360), (8320, 960140), (9760, 818480), (10231, 780800), (10400, 768112), (12200, 654784), (12592, 634400), (12688, 629600), (12800, 624091), (15616, 511550), (15740, 507520), (15860, 503680), (16640, 480070), (19520, 409240), (19675, 406016), (19825, 402944), (20462, 390400), (20800, 384056), (24400, 327392), (25184, 317200), (25376, 314800), (31232, 255775), (31480, 253760), (31720, 251840), (33280, 240035), (39040, 204620), (39350, 203008), (39650, 201472), (40924, 195200), (41600, 192028), (48007, 166400), (48800, 163696), (50368, 158600), (50752, 157400), (51155, 156160), (62960, 126880), (63440, 125920), (78080, 102310), (78700, 101504), (79300, 100736), (81848, 97600), (83200, 96014)]