1978100640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{367}}^1$

素因数の和:604

約数の個数: 288

約数和(自身を含む): 7161073920

約数和(自身を除く): 5182973280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 32, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 96, 114, 120, 144, 152, 160, 171, 180, 190, 197, 228, 240, 285, 288, 304, 342, 360, 367, 380, 394, 456, 480, 570, 591, 608, 684, 720, 734, 760, 788, 855, 912, 985, 1101, 1140, 1182, 1368, 1440, 1468, 1520, 1576, 1710, 1773, 1824, 1835, 1970, 2202, 2280, 2364, 2736, 2936, 2955, 3040, 3152, 3303, 3420, 3546, 3670, 3743, 3940, 4404, 4560, 4728, 5472, 5505, 5872, 5910, 6304, 6606, 6840, 6973, 7092, 7340, 7486, 7880, 8808, 8865, 9120, 9456, 11010, 11229, 11744, 11820, 13212, 13680, 13946, 14184, 14680, 14972, 15760, 16515, 17616, 17730, 18715, 18912, 20919, 22020, 22458, 23640, 26424, 27360, 27892, 28368, 29360, 29944, 31520, 33030, 33687, 34865, 35232, 35460, 37430, 41838, 44040, 44916, 47280, 52848, 55784, 56145, 56736, 58720, 59888, 62757, 66060, 67374, 69730, 70920, 72299, 74860, 83676, 88080, 89832, 94560, 104595, 105696, 111568, 112290, 119776, 125514, 132120, 134748, 139460, 141840, 144598, 149720, 167352, 168435, 176160, 179664, 209190, 216897, 223136, 224580, 251028, 264240, 269496, 278920, 283680, 289196, 299440, 313785, 334704, 336870, 359328, 361495, 418380, 433794, 449160, 502056, 528480, 538992, 557840, 578392, 598880, 627570, 650691, 669408, 673740, 722990, 836760, 867588, 898320, 1004112, 1077984, 1084485, 1115680, 1156784, 1255140, 1301382, 1347480, 1373681, 1445980, 1673520, 1735176, 1796640, 2008224, 2168970, 2313568, 2510280, 2602764, 2694960, 2747362, 2891960, 3253455, 3347040, 3470352, 4121043, 4337940, 5020560, 5205528, 5389920, 5494724, 5783920, 6506910, 6868405, 6940704, 8242086, 8675880, 10041120, 10411056, 10989448, 11567840, 12363129, 13013820, 13736810, 16484172, 17351760, 20605215, 20822112, 21978896, 24726258, 26027640, 27473620, 32968344, 34703520, 41210430, 43957792, 49452516, 52055280, 54947240, 61815645, 65936688, 82420860, 98905032, 104110560, 109894480, 123631290, 131873376, 164841720, 197810064, 219788960, 247262580, 329683440, 395620128, 494525160, 659366880, 989050320, 1978100640]

約数ペア:

[(1, 1978100640), (2, 989050320), (3, 659366880), (4, 494525160), (5, 395620128), (6, 329683440), (8, 247262580), (9, 219788960), (10, 197810064), (12, 164841720), (15, 131873376), (16, 123631290), (18, 109894480), (19, 104110560), (20, 98905032), (24, 82420860), (30, 65936688), (32, 61815645), (36, 54947240), (38, 52055280), (40, 49452516), (45, 43957792), (48, 41210430), (57, 34703520), (60, 32968344), (72, 27473620), (76, 26027640), (80, 24726258), (90, 21978896), (95, 20822112), (96, 20605215), (114, 17351760), (120, 16484172), (144, 13736810), (152, 13013820), (160, 12363129), (171, 11567840), (180, 10989448), (190, 10411056), (197, 10041120), (228, 8675880), (240, 8242086), (285, 6940704), (288, 6868405), (304, 6506910), (342, 5783920), (360, 5494724), (367, 5389920), (380, 5205528), (394, 5020560), (456, 4337940), (480, 4121043), (570, 3470352), (591, 3347040), (608, 3253455), (684, 2891960), (720, 2747362), (734, 2694960), (760, 2602764), (788, 2510280), (855, 2313568), (912, 2168970), (985, 2008224), (1101, 1796640), (1140, 1735176), (1182, 1673520), (1368, 1445980), (1440, 1373681), (1468, 1347480), (1520, 1301382), (1576, 1255140), (1710, 1156784), (1773, 1115680), (1824, 1084485), (1835, 1077984), (1970, 1004112), (2202, 898320), (2280, 867588), (2364, 836760), (2736, 722990), (2936, 673740), (2955, 669408), (3040, 650691), (3152, 627570), (3303, 598880), (3420, 578392), (3546, 557840), (3670, 538992), (3743, 528480), (3940, 502056), (4404, 449160), (4560, 433794), (4728, 418380), (5472, 361495), (5505, 359328), (5872, 336870), (5910, 334704), (6304, 313785), (6606, 299440), (6840, 289196), (6973, 283680), (7092, 278920), (7340, 269496), (7486, 264240), (7880, 251028), (8808, 224580), (8865, 223136), (9120, 216897), (9456, 209190), (11010, 179664), (11229, 176160), (11744, 168435), (11820, 167352), (13212, 149720), (13680, 144598), (13946, 141840), (14184, 139460), (14680, 134748), (14972, 132120), (15760, 125514), (16515, 119776), (17616, 112290), (17730, 111568), (18715, 105696), (18912, 104595), (20919, 94560), (22020, 89832), (22458, 88080), (23640, 83676), (26424, 74860), (27360, 72299), (27892, 70920), (28368, 69730), (29360, 67374), (29944, 66060), (31520, 62757), (33030, 59888), (33687, 58720), (34865, 56736), (35232, 56145), (35460, 55784), (37430, 52848), (41838, 47280), (44040, 44916)]