81382092800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{31}}^2\times {\mathrm{827}}^1$

素因数の和:923

約数の個数: 234

約数和(自身を含む): 208774861884

約数和(自身を除く): 127392769084

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 32, 40, 50, 62, 64, 80, 100, 124, 128, 155, 160, 200, 248, 256, 310, 320, 400, 496, 512, 620, 640, 775, 800, 827, 961, 992, 1024, 1240, 1280, 1550, 1600, 1654, 1922, 1984, 2048, 2480, 2560, 3100, 3200, 3308, 3844, 3968, 4096, 4135, 4805, 4960, 5120, 6200, 6400, 6616, 7688, 7936, 8270, 9610, 9920, 10240, 12400, 12800, 13232, 15376, 15872, 16540, 19220, 19840, 20480, 20675, 24025, 24800, 25600, 25637, 26464, 30752, 31744, 33080, 38440, 39680, 41350, 48050, 49600, 51200, 51274, 52928, 61504, 63488, 66160, 76880, 79360, 82700, 96100, 99200, 102400, 102548, 105856, 123008, 126976, 128185, 132320, 153760, 158720, 165400, 192200, 198400, 205096, 211712, 246016, 256370, 264640, 307520, 317440, 330800, 384400, 396800, 410192, 423424, 492032, 512740, 529280, 615040, 634880, 640925, 661600, 768800, 793600, 794747, 820384, 846848, 984064, 1025480, 1058560, 1230080, 1281850, 1323200, 1537600, 1587200, 1589494, 1640768, 1693696, 1968128, 2050960, 2117120, 2460160, 2563700, 2646400, 3075200, 3174400, 3178988, 3281536, 3387392, 3936256, 3973735, 4101920, 4234240, 4920320, 5127400, 5292800, 6150400, 6357976, 6563072, 7947470, 8203840, 8468480, 9840640, 10254800, 10585600, 12300800, 12715952, 13126144, 15894940, 16407680, 16936960, 19681280, 19868675, 20509600, 21171200, 24601600, 25431904, 26252288, 31789880, 32815360, 39737350, 41019200, 42342400, 49203200, 50863808, 52504576, 63579760, 65630720, 79474700, 82038400, 84684800, 98406400, 101727616, 105009152, 127159520, 131261440, 158949400, 164076800, 203455232, 254319040, 262522880, 317898800, 328153600, 406910464, 508638080, 525045760, 635797600, 656307200, 813820928, 1017276160, 1271595200, 1312614400, 1627641856, 2034552320, 2543190400, 2625228800, 3255283712, 4069104640, 5086380800, 8138209280, 10172761600, 16276418560, 20345523200, 40691046400, 81382092800]

約数ペア:

[(1, 81382092800), (2, 40691046400), (4, 20345523200), (5, 16276418560), (8, 10172761600), (10, 8138209280), (16, 5086380800), (20, 4069104640), (25, 3255283712), (31, 2625228800), (32, 2543190400), (40, 2034552320), (50, 1627641856), (62, 1312614400), (64, 1271595200), (80, 1017276160), (100, 813820928), (124, 656307200), (128, 635797600), (155, 525045760), (160, 508638080), (200, 406910464), (248, 328153600), (256, 317898800), (310, 262522880), (320, 254319040), (400, 203455232), (496, 164076800), (512, 158949400), (620, 131261440), (640, 127159520), (775, 105009152), (800, 101727616), (827, 98406400), (961, 84684800), (992, 82038400), (1024, 79474700), (1240, 65630720), (1280, 63579760), (1550, 52504576), (1600, 50863808), (1654, 49203200), (1922, 42342400), (1984, 41019200), (2048, 39737350), (2480, 32815360), (2560, 31789880), (3100, 26252288), (3200, 25431904), (3308, 24601600), (3844, 21171200), (3968, 20509600), (4096, 19868675), (4135, 19681280), (4805, 16936960), (4960, 16407680), (5120, 15894940), (6200, 13126144), (6400, 12715952), (6616, 12300800), (7688, 10585600), (7936, 10254800), (8270, 9840640), (9610, 8468480), (9920, 8203840), (10240, 7947470), (12400, 6563072), (12800, 6357976), (13232, 6150400), (15376, 5292800), (15872, 5127400), (16540, 4920320), (19220, 4234240), (19840, 4101920), (20480, 3973735), (20675, 3936256), (24025, 3387392), (24800, 3281536), (25600, 3178988), (25637, 3174400), (26464, 3075200), (30752, 2646400), (31744, 2563700), (33080, 2460160), (38440, 2117120), (39680, 2050960), (41350, 1968128), (48050, 1693696), (49600, 1640768), (51200, 1589494), (51274, 1587200), (52928, 1537600), (61504, 1323200), (63488, 1281850), (66160, 1230080), (76880, 1058560), (79360, 1025480), (82700, 984064), (96100, 846848), (99200, 820384), (102400, 794747), (102548, 793600), (105856, 768800), (123008, 661600), (126976, 640925), (128185, 634880), (132320, 615040), (153760, 529280), (158720, 512740), (165400, 492032), (192200, 423424), (198400, 410192), (205096, 396800), (211712, 384400), (246016, 330800), (256370, 317440), (264640, 307520)]