804389120

素因数分解:

$2^8\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:440

約数の個数: 144

約数和(自身を含む): 2039748480

約数和(自身を除く): 1235359360

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, 614, 640, 712, 736, 890, 920, 1228, 1280, 1424, 1472, 1535, 1780, 1840, 2047, 2456, 2848, 2944, 3070, 3560, 3680, 4094, 4912, 5696, 5888, 6140, 7061, 7120, 7360, 8188, 9824, 10235, 11392, 12280, 14122, 14240, 14720, 16376, 19648, 20470, 22784, 24560, 27323, 28244, 28480, 29440, 32752, 35305, 39296, 40940, 49120, 54646, 56488, 56960, 65504, 70610, 78592, 81880, 98240, 109292, 112976, 113920, 131008, 136615, 141220, 163760, 196480, 218584, 225952, 262016, 273230, 282440, 327520, 392960, 437168, 451904, 524032, 546460, 564880, 628429, 655040, 874336, 903808, 1092920, 1129760, 1256858, 1310080, 1748672, 1807616, 2185840, 2259520, 2513716, 2620160, 3142145, 3497344, 4371680, 4519040, 5027432, 6284290, 6994688, 8743360, 9038080, 10054864, 12568580, 17486720, 20109728, 25137160, 34973440, 40219456, 50274320, 80438912, 100548640, 160877824, 201097280, 402194560, 804389120]

約数ペア:

[(1, 804389120), (2, 402194560), (4, 201097280), (5, 160877824), (8, 100548640), (10, 80438912), (16, 50274320), (20, 40219456), (23, 34973440), (32, 25137160), (40, 20109728), (46, 17486720), (64, 12568580), (80, 10054864), (89, 9038080), (92, 8743360), (115, 6994688), (128, 6284290), (160, 5027432), (178, 4519040), (184, 4371680), (230, 3497344), (256, 3142145), (307, 2620160), (320, 2513716), (356, 2259520), (368, 2185840), (445, 1807616), (460, 1748672), (614, 1310080), (640, 1256858), (712, 1129760), (736, 1092920), (890, 903808), (920, 874336), (1228, 655040), (1280, 628429), (1424, 564880), (1472, 546460), (1535, 524032), (1780, 451904), (1840, 437168), (2047, 392960), (2456, 327520), (2848, 282440), (2944, 273230), (3070, 262016), (3560, 225952), (3680, 218584), (4094, 196480), (4912, 163760), (5696, 141220), (5888, 136615), (6140, 131008), (7061, 113920), (7120, 112976), (7360, 109292), (8188, 98240), (9824, 81880), (10235, 78592), (11392, 70610), (12280, 65504), (14122, 56960), (14240, 56488), (14720, 54646), (16376, 49120), (19648, 40940), (20470, 39296), (22784, 35305), (24560, 32752), (27323, 29440), (28244, 28480)]