78778560

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:663

約数の個数: 224

約数和(自身を含む): 301386240

約数和(自身を除く): 222607680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 32, 35, 38, 40, 42, 48, 56, 57, 60, 64, 70, 76, 80, 84, 95, 96, 105, 112, 114, 120, 133, 140, 152, 160, 168, 190, 192, 210, 224, 228, 240, 266, 280, 285, 304, 320, 336, 380, 399, 420, 448, 456, 480, 532, 560, 570, 608, 617, 665, 672, 760, 798, 840, 912, 960, 1064, 1120, 1140, 1216, 1234, 1330, 1344, 1520, 1596, 1680, 1824, 1851, 1995, 2128, 2240, 2280, 2468, 2660, 3040, 3085, 3192, 3360, 3648, 3702, 3990, 4256, 4319, 4560, 4936, 5320, 6080, 6170, 6384, 6720, 7404, 7980, 8512, 8638, 9120, 9255, 9872, 10640, 11723, 12340, 12768, 12957, 14808, 15960, 17276, 18240, 18510, 19744, 21280, 21595, 23446, 24680, 25536, 25914, 29616, 31920, 34552, 35169, 37020, 39488, 42560, 43190, 46892, 49360, 51828, 58615, 59232, 63840, 64785, 69104, 70338, 74040, 82061, 86380, 93784, 98720, 103656, 117230, 118464, 127680, 129570, 138208, 140676, 148080, 164122, 172760, 175845, 187568, 197440, 207312, 234460, 246183, 259140, 276416, 281352, 296160, 328244, 345520, 351690, 375136, 410305, 414624, 468920, 492366, 518280, 562704, 592320, 656488, 691040, 703380, 750272, 820610, 829248, 937840, 984732, 1036560, 1125408, 1230915, 1312976, 1382080, 1406760, 1641220, 1875680, 1969464, 2073120, 2250816, 2461830, 2625952, 2813520, 3282440, 3751360, 3938928, 4146240, 4923660, 5251904, 5627040, 6564880, 7877856, 9847320, 11254080, 13129760, 15755712, 19694640, 26259520, 39389280, 78778560]

約数ペア:

[(1, 78778560), (2, 39389280), (3, 26259520), (4, 19694640), (5, 15755712), (6, 13129760), (7, 11254080), (8, 9847320), (10, 7877856), (12, 6564880), (14, 5627040), (15, 5251904), (16, 4923660), (19, 4146240), (20, 3938928), (21, 3751360), (24, 3282440), (28, 2813520), (30, 2625952), (32, 2461830), (35, 2250816), (38, 2073120), (40, 1969464), (42, 1875680), (48, 1641220), (56, 1406760), (57, 1382080), (60, 1312976), (64, 1230915), (70, 1125408), (76, 1036560), (80, 984732), (84, 937840), (95, 829248), (96, 820610), (105, 750272), (112, 703380), (114, 691040), (120, 656488), (133, 592320), (140, 562704), (152, 518280), (160, 492366), (168, 468920), (190, 414624), (192, 410305), (210, 375136), (224, 351690), (228, 345520), (240, 328244), (266, 296160), (280, 281352), (285, 276416), (304, 259140), (320, 246183), (336, 234460), (380, 207312), (399, 197440), (420, 187568), (448, 175845), (456, 172760), (480, 164122), (532, 148080), (560, 140676), (570, 138208), (608, 129570), (617, 127680), (665, 118464), (672, 117230), (760, 103656), (798, 98720), (840, 93784), (912, 86380), (960, 82061), (1064, 74040), (1120, 70338), (1140, 69104), (1216, 64785), (1234, 63840), (1330, 59232), (1344, 58615), (1520, 51828), (1596, 49360), (1680, 46892), (1824, 43190), (1851, 42560), (1995, 39488), (2128, 37020), (2240, 35169), (2280, 34552), (2468, 31920), (2660, 29616), (3040, 25914), (3085, 25536), (3192, 24680), (3360, 23446), (3648, 21595), (3702, 21280), (3990, 19744), (4256, 18510), (4319, 18240), (4560, 17276), (4936, 15960), (5320, 14808), (6080, 12957), (6170, 12768), (6384, 12340), (6720, 11723), (7404, 10640), (7980, 9872), (8512, 9255), (8638, 9120)]