12910919680

素因数分解:

$2^{16}\times 5^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:140

約数の個数: 204

約数和(自身を含む): 32798682756

約数和(自身を除く): 19887763076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 41, 62, 64, 80, 82, 124, 128, 155, 160, 164, 205, 248, 256, 310, 320, 328, 410, 496, 512, 620, 640, 656, 820, 961, 992, 1024, 1240, 1271, 1280, 1312, 1640, 1922, 1984, 2048, 2480, 2542, 2560, 2624, 3280, 3844, 3968, 4096, 4805, 4960, 5084, 5120, 5248, 6355, 6560, 7688, 7936, 8192, 9610, 9920, 10168, 10240, 10496, 12710, 13120, 15376, 15872, 16384, 19220, 19840, 20336, 20480, 20992, 25420, 26240, 30752, 31744, 32768, 38440, 39401, 39680, 40672, 40960, 41984, 50840, 52480, 61504, 63488, 65536, 76880, 78802, 79360, 81344, 81920, 83968, 101680, 104960, 123008, 126976, 153760, 157604, 158720, 162688, 163840, 167936, 197005, 203360, 209920, 246016, 253952, 307520, 315208, 317440, 325376, 327680, 335872, 394010, 406720, 419840, 492032, 507904, 615040, 630416, 634880, 650752, 671744, 788020, 813440, 839680, 984064, 1015808, 1230080, 1260832, 1269760, 1301504, 1343488, 1576040, 1626880, 1679360, 1968128, 2031616, 2460160, 2521664, 2539520, 2603008, 2686976, 3152080, 3253760, 3358720, 3936256, 4920320, 5043328, 5079040, 5206016, 6304160, 6507520, 6717440, 7872512, 9840640, 10086656, 10158080, 10412032, 12608320, 13015040, 13434880, 15745024, 19681280, 20173312, 20824064, 25216640, 26030080, 31490048, 39362560, 40346624, 41648128, 50433280, 52060160, 62980096, 78725120, 80693248, 83296256, 100866560, 104120320, 157450240, 161386496, 201733120, 208240640, 314900480, 322772992, 403466240, 416481280, 645545984, 806932480, 1291091968, 1613864960, 2582183936, 3227729920, 6455459840, 12910919680]

約数ペア:

[(1, 12910919680), (2, 6455459840), (4, 3227729920), (5, 2582183936), (8, 1613864960), (10, 1291091968), (16, 806932480), (20, 645545984), (31, 416481280), (32, 403466240), (40, 322772992), (41, 314900480), (62, 208240640), (64, 201733120), (80, 161386496), (82, 157450240), (124, 104120320), (128, 100866560), (155, 83296256), (160, 80693248), (164, 78725120), (205, 62980096), (248, 52060160), (256, 50433280), (310, 41648128), (320, 40346624), (328, 39362560), (410, 31490048), (496, 26030080), (512, 25216640), (620, 20824064), (640, 20173312), (656, 19681280), (820, 15745024), (961, 13434880), (992, 13015040), (1024, 12608320), (1240, 10412032), (1271, 10158080), (1280, 10086656), (1312, 9840640), (1640, 7872512), (1922, 6717440), (1984, 6507520), (2048, 6304160), (2480, 5206016), (2542, 5079040), (2560, 5043328), (2624, 4920320), (3280, 3936256), (3844, 3358720), (3968, 3253760), (4096, 3152080), (4805, 2686976), (4960, 2603008), (5084, 2539520), (5120, 2521664), (5248, 2460160), (6355, 2031616), (6560, 1968128), (7688, 1679360), (7936, 1626880), (8192, 1576040), (9610, 1343488), (9920, 1301504), (10168, 1269760), (10240, 1260832), (10496, 1230080), (12710, 1015808), (13120, 984064), (15376, 839680), (15872, 813440), (16384, 788020), (19220, 671744), (19840, 650752), (20336, 634880), (20480, 630416), (20992, 615040), (25420, 507904), (26240, 492032), (30752, 419840), (31744, 406720), (32768, 394010), (38440, 335872), (39401, 327680), (39680, 325376), (40672, 317440), (40960, 315208), (41984, 307520), (50840, 253952), (52480, 246016), (61504, 209920), (63488, 203360), (65536, 197005), (76880, 167936), (78802, 163840), (79360, 162688), (81344, 158720), (81920, 157604), (83968, 153760), (101680, 126976), (104960, 123008)]