78618960

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:866

約数の個数: 240

約数和(自身を含む): 318015360

約数和(自身を除く): 239396400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 24, 28, 30, 35, 36, 38, 40, 42, 45, 48, 56, 57, 60, 63, 70, 72, 76, 80, 84, 90, 95, 105, 112, 114, 120, 126, 133, 140, 144, 152, 168, 171, 180, 190, 210, 228, 240, 252, 266, 280, 285, 304, 315, 336, 342, 360, 380, 399, 420, 456, 504, 532, 560, 570, 630, 665, 684, 720, 760, 798, 821, 840, 855, 912, 1008, 1064, 1140, 1197, 1260, 1330, 1368, 1520, 1596, 1642, 1680, 1710, 1995, 2128, 2280, 2394, 2463, 2520, 2660, 2736, 3192, 3284, 3420, 3990, 4105, 4560, 4788, 4926, 5040, 5320, 5747, 5985, 6384, 6568, 6840, 7389, 7980, 8210, 9576, 9852, 10640, 11494, 11970, 12315, 13136, 13680, 14778, 15599, 15960, 16420, 17241, 19152, 19704, 22988, 23940, 24630, 28735, 29556, 31198, 31920, 32840, 34482, 36945, 39408, 45976, 46797, 47880, 49260, 51723, 57470, 59112, 62396, 65680, 68964, 73890, 77995, 86205, 91952, 93594, 95760, 98520, 103446, 109193, 114940, 118224, 124792, 137928, 140391, 147780, 155990, 172410, 187188, 197040, 206892, 218386, 229880, 233985, 249584, 258615, 275856, 280782, 295560, 311980, 327579, 344820, 374376, 413784, 436772, 459760, 467970, 517230, 545965, 561564, 591120, 623960, 655158, 689640, 701955, 748752, 827568, 873544, 935940, 982737, 1034460, 1091930, 1123128, 1247920, 1310316, 1379280, 1403910, 1637895, 1747088, 1871880, 1965474, 2068920, 2183860, 2246256, 2620632, 2807820, 3275790, 3743760, 3930948, 4137840, 4367720, 4913685, 5241264, 5615640, 6551580, 7861896, 8735440, 9827370, 11231280, 13103160, 15723792, 19654740, 26206320, 39309480, 78618960]

約数ペア:

[(1, 78618960), (2, 39309480), (3, 26206320), (4, 19654740), (5, 15723792), (6, 13103160), (7, 11231280), (8, 9827370), (9, 8735440), (10, 7861896), (12, 6551580), (14, 5615640), (15, 5241264), (16, 4913685), (18, 4367720), (19, 4137840), (20, 3930948), (21, 3743760), (24, 3275790), (28, 2807820), (30, 2620632), (35, 2246256), (36, 2183860), (38, 2068920), (40, 1965474), (42, 1871880), (45, 1747088), (48, 1637895), (56, 1403910), (57, 1379280), (60, 1310316), (63, 1247920), (70, 1123128), (72, 1091930), (76, 1034460), (80, 982737), (84, 935940), (90, 873544), (95, 827568), (105, 748752), (112, 701955), (114, 689640), (120, 655158), (126, 623960), (133, 591120), (140, 561564), (144, 545965), (152, 517230), (168, 467970), (171, 459760), (180, 436772), (190, 413784), (210, 374376), (228, 344820), (240, 327579), (252, 311980), (266, 295560), (280, 280782), (285, 275856), (304, 258615), (315, 249584), (336, 233985), (342, 229880), (360, 218386), (380, 206892), (399, 197040), (420, 187188), (456, 172410), (504, 155990), (532, 147780), (560, 140391), (570, 137928), (630, 124792), (665, 118224), (684, 114940), (720, 109193), (760, 103446), (798, 98520), (821, 95760), (840, 93594), (855, 91952), (912, 86205), (1008, 77995), (1064, 73890), (1140, 68964), (1197, 65680), (1260, 62396), (1330, 59112), (1368, 57470), (1520, 51723), (1596, 49260), (1642, 47880), (1680, 46797), (1710, 45976), (1995, 39408), (2128, 36945), (2280, 34482), (2394, 32840), (2463, 31920), (2520, 31198), (2660, 29556), (2736, 28735), (3192, 24630), (3284, 23940), (3420, 22988), (3990, 19704), (4105, 19152), (4560, 17241), (4788, 16420), (4926, 15960), (5040, 15599), (5320, 14778), (5747, 13680), (5985, 13136), (6384, 12315), (6568, 11970), (6840, 11494), (7389, 10640), (7980, 9852), (8210, 9576)]