1665111680

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:203

約数の個数: 256

約数和(自身を含む): 4441651200

約数和(自身を除く): 2776539520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 31, 32, 40, 41, 46, 62, 64, 80, 82, 89, 92, 115, 124, 128, 155, 160, 164, 178, 184, 205, 230, 248, 310, 320, 328, 356, 368, 410, 445, 460, 496, 620, 640, 656, 712, 713, 736, 820, 890, 920, 943, 992, 1240, 1271, 1312, 1424, 1426, 1472, 1640, 1780, 1840, 1886, 1984, 2047, 2480, 2542, 2624, 2759, 2848, 2852, 2944, 3280, 3560, 3565, 3649, 3680, 3772, 3968, 4094, 4715, 4960, 5084, 5248, 5518, 5696, 5704, 6355, 6560, 7120, 7130, 7298, 7360, 7544, 8188, 9430, 9920, 10168, 10235, 11036, 11392, 11408, 12710, 13120, 13795, 14240, 14260, 14596, 14720, 15088, 16376, 18245, 18860, 19840, 20336, 20470, 22072, 22816, 25420, 26240, 27590, 28480, 28520, 29192, 29233, 30176, 32752, 36490, 37720, 40672, 40940, 44144, 45632, 50840, 55180, 56960, 57040, 58384, 58466, 60352, 63457, 65504, 72980, 75440, 81344, 81880, 83927, 88288, 91264, 101680, 110360, 113119, 114080, 116768, 116932, 120704, 126914, 131008, 145960, 146165, 150880, 162688, 163760, 167854, 176576, 203360, 220720, 226238, 228160, 233536, 233864, 253828, 262016, 291920, 292330, 301760, 317285, 327520, 335708, 353152, 406720, 419635, 441440, 452476, 456320, 467072, 467728, 507656, 565595, 583840, 584660, 603520, 634570, 655040, 671416, 813440, 839270, 882880, 904952, 935456, 1015312, 1131190, 1167680, 1169320, 1269140, 1310080, 1342832, 1678540, 1765760, 1809904, 1870912, 2030624, 2262380, 2335360, 2338640, 2538280, 2601737, 2685664, 3357080, 3619808, 3741824, 4061248, 4524760, 4677280, 5076560, 5203474, 5371328, 6714160, 7239616, 8122496, 9049520, 9354560, 10153120, 10406948, 10742656, 13008685, 13428320, 14479232, 18099040, 18709120, 20306240, 20813896, 26017370, 26856640, 36198080, 40612480, 41627792, 52034740, 53713280, 72396160, 83255584, 104069480, 166511168, 208138960, 333022336, 416277920, 832555840, 1665111680]

約数ペア:

[(1, 1665111680), (2, 832555840), (4, 416277920), (5, 333022336), (8, 208138960), (10, 166511168), (16, 104069480), (20, 83255584), (23, 72396160), (31, 53713280), (32, 52034740), (40, 41627792), (41, 40612480), (46, 36198080), (62, 26856640), (64, 26017370), (80, 20813896), (82, 20306240), (89, 18709120), (92, 18099040), (115, 14479232), (124, 13428320), (128, 13008685), (155, 10742656), (160, 10406948), (164, 10153120), (178, 9354560), (184, 9049520), (205, 8122496), (230, 7239616), (248, 6714160), (310, 5371328), (320, 5203474), (328, 5076560), (356, 4677280), (368, 4524760), (410, 4061248), (445, 3741824), (460, 3619808), (496, 3357080), (620, 2685664), (640, 2601737), (656, 2538280), (712, 2338640), (713, 2335360), (736, 2262380), (820, 2030624), (890, 1870912), (920, 1809904), (943, 1765760), (992, 1678540), (1240, 1342832), (1271, 1310080), (1312, 1269140), (1424, 1169320), (1426, 1167680), (1472, 1131190), (1640, 1015312), (1780, 935456), (1840, 904952), (1886, 882880), (1984, 839270), (2047, 813440), (2480, 671416), (2542, 655040), (2624, 634570), (2759, 603520), (2848, 584660), (2852, 583840), (2944, 565595), (3280, 507656), (3560, 467728), (3565, 467072), (3649, 456320), (3680, 452476), (3772, 441440), (3968, 419635), (4094, 406720), (4715, 353152), (4960, 335708), (5084, 327520), (5248, 317285), (5518, 301760), (5696, 292330), (5704, 291920), (6355, 262016), (6560, 253828), (7120, 233864), (7130, 233536), (7298, 228160), (7360, 226238), (7544, 220720), (8188, 203360), (9430, 176576), (9920, 167854), (10168, 163760), (10235, 162688), (11036, 150880), (11392, 146165), (11408, 145960), (12710, 131008), (13120, 126914), (13795, 120704), (14240, 116932), (14260, 116768), (14596, 114080), (14720, 113119), (15088, 110360), (16376, 101680), (18245, 91264), (18860, 88288), (19840, 83927), (20336, 81880), (20470, 81344), (22072, 75440), (22816, 72980), (25420, 65504), (26240, 63457), (27590, 60352), (28480, 58466), (28520, 58384), (29192, 57040), (29233, 56960), (30176, 55180), (32752, 50840), (36490, 45632), (37720, 44144), (40672, 40940)]