12870225920

素因数分解:

$2^{12}\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:448

約数の個数: 208

約数和(自身を含む): 32695850880

約数和(自身を除く): 19825624960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 89, 92, 115, 128, 160, 178, 184, 230, 256, 307, 320, 356, 368, 445, 460, 512, 614, 640, 712, 736, 890, 920, 1024, 1228, 1280, 1424, 1472, 1535, 1780, 1840, 2047, 2048, 2456, 2560, 2848, 2944, 3070, 3560, 3680, 4094, 4096, 4912, 5120, 5696, 5888, 6140, 7061, 7120, 7360, 8188, 9824, 10235, 10240, 11392, 11776, 12280, 14122, 14240, 14720, 16376, 19648, 20470, 20480, 22784, 23552, 24560, 27323, 28244, 28480, 29440, 32752, 35305, 39296, 40940, 45568, 47104, 49120, 54646, 56488, 56960, 58880, 65504, 70610, 78592, 81880, 91136, 94208, 98240, 109292, 112976, 113920, 117760, 131008, 136615, 141220, 157184, 163760, 182272, 196480, 218584, 225952, 227840, 235520, 262016, 273230, 282440, 314368, 327520, 364544, 392960, 437168, 451904, 455680, 471040, 524032, 546460, 564880, 628429, 628736, 655040, 785920, 874336, 903808, 911360, 1048064, 1092920, 1129760, 1256858, 1257472, 1310080, 1571840, 1748672, 1807616, 1822720, 2096128, 2185840, 2259520, 2513716, 2620160, 3142145, 3143680, 3497344, 3615232, 4192256, 4371680, 4519040, 5027432, 5240320, 6284290, 6287360, 6994688, 7230464, 8384512, 8743360, 9038080, 10054864, 10480640, 12568580, 13989376, 14460928, 17486720, 18076160, 20109728, 20961280, 25137160, 27978752, 28921856, 34973440, 36152320, 40219456, 41922560, 50274320, 55957504, 69946880, 72304640, 80438912, 100548640, 111915008, 139893760, 144609280, 160877824, 201097280, 279787520, 321755648, 402194560, 559575040, 643511296, 804389120, 1287022592, 1608778240, 2574045184, 3217556480, 6435112960, 12870225920]

約数ペア:

[(1, 12870225920), (2, 6435112960), (4, 3217556480), (5, 2574045184), (8, 1608778240), (10, 1287022592), (16, 804389120), (20, 643511296), (23, 559575040), (32, 402194560), (40, 321755648), (46, 279787520), (64, 201097280), (80, 160877824), (89, 144609280), (92, 139893760), (115, 111915008), (128, 100548640), (160, 80438912), (178, 72304640), (184, 69946880), (230, 55957504), (256, 50274320), (307, 41922560), (320, 40219456), (356, 36152320), (368, 34973440), (445, 28921856), (460, 27978752), (512, 25137160), (614, 20961280), (640, 20109728), (712, 18076160), (736, 17486720), (890, 14460928), (920, 13989376), (1024, 12568580), (1228, 10480640), (1280, 10054864), (1424, 9038080), (1472, 8743360), (1535, 8384512), (1780, 7230464), (1840, 6994688), (2047, 6287360), (2048, 6284290), (2456, 5240320), (2560, 5027432), (2848, 4519040), (2944, 4371680), (3070, 4192256), (3560, 3615232), (3680, 3497344), (4094, 3143680), (4096, 3142145), (4912, 2620160), (5120, 2513716), (5696, 2259520), (5888, 2185840), (6140, 2096128), (7061, 1822720), (7120, 1807616), (7360, 1748672), (8188, 1571840), (9824, 1310080), (10235, 1257472), (10240, 1256858), (11392, 1129760), (11776, 1092920), (12280, 1048064), (14122, 911360), (14240, 903808), (14720, 874336), (16376, 785920), (19648, 655040), (20470, 628736), (20480, 628429), (22784, 564880), (23552, 546460), (24560, 524032), (27323, 471040), (28244, 455680), (28480, 451904), (29440, 437168), (32752, 392960), (35305, 364544), (39296, 327520), (40940, 314368), (45568, 282440), (47104, 273230), (49120, 262016), (54646, 235520), (56488, 227840), (56960, 225952), (58880, 218584), (65504, 196480), (70610, 182272), (78592, 163760), (81880, 157184), (91136, 141220), (94208, 136615), (98240, 131008), (109292, 117760), (112976, 113920)]