656545120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{331}}^1$

素因数の和:394

約数の個数: 288

約数和(自身を含む): 2060142336

約数和(自身を除く): 1403597216

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 23, 28, 32, 35, 40, 44, 46, 49, 55, 56, 70, 77, 80, 88, 92, 98, 110, 112, 115, 140, 154, 160, 161, 176, 184, 196, 220, 224, 230, 245, 253, 280, 308, 322, 331, 352, 368, 385, 392, 440, 460, 490, 506, 539, 560, 616, 644, 662, 736, 770, 784, 805, 880, 920, 980, 1012, 1078, 1120, 1127, 1232, 1265, 1288, 1324, 1540, 1568, 1610, 1655, 1760, 1771, 1840, 1960, 2024, 2156, 2254, 2317, 2464, 2530, 2576, 2648, 2695, 3080, 3220, 3310, 3542, 3641, 3680, 3920, 4048, 4312, 4508, 4634, 5060, 5152, 5296, 5390, 5635, 6160, 6440, 6620, 7084, 7282, 7613, 7840, 8096, 8624, 8855, 9016, 9268, 10120, 10592, 10780, 11270, 11585, 12320, 12397, 12880, 13240, 14168, 14564, 15226, 16219, 17248, 17710, 18032, 18205, 18536, 20240, 21560, 22540, 23170, 24794, 25487, 25760, 26480, 28336, 29128, 30452, 32438, 35420, 36064, 36410, 37072, 38065, 40480, 43120, 45080, 46340, 49588, 50974, 52960, 53291, 56672, 58256, 60904, 61985, 64876, 70840, 72820, 74144, 76130, 81095, 83743, 86240, 90160, 92680, 99176, 101948, 106582, 116512, 121808, 123970, 127435, 129752, 141680, 145640, 152260, 162190, 167486, 178409, 180320, 185360, 198352, 203896, 213164, 243616, 247940, 254870, 259504, 266455, 283360, 291280, 304520, 324380, 334972, 356818, 370720, 373037, 396704, 407792, 418715, 426328, 495880, 509740, 519008, 532910, 582560, 586201, 609040, 648760, 669944, 713636, 746074, 815584, 837430, 852656, 892045, 991760, 1019480, 1065820, 1172402, 1218080, 1297520, 1339888, 1427272, 1492148, 1674860, 1705312, 1784090, 1865185, 1983520, 2038960, 2131640, 2344804, 2595040, 2679776, 2854544, 2931005, 2984296, 3349720, 3568180, 3730370, 4077920, 4103407, 4263280, 4689608, 5709088, 5862010, 5968592, 6699440, 7136360, 7460740, 8206814, 8526560, 9379216, 11724020, 11937184, 13398880, 14272720, 14921480, 16413628, 18758432, 20517035, 23448040, 28545440, 29842960, 32827256, 41034070, 46896080, 59685920, 65654512, 82068140, 93792160, 131309024, 164136280, 328272560, 656545120]

約数ペア:

[(1, 656545120), (2, 328272560), (4, 164136280), (5, 131309024), (7, 93792160), (8, 82068140), (10, 65654512), (11, 59685920), (14, 46896080), (16, 41034070), (20, 32827256), (22, 29842960), (23, 28545440), (28, 23448040), (32, 20517035), (35, 18758432), (40, 16413628), (44, 14921480), (46, 14272720), (49, 13398880), (55, 11937184), (56, 11724020), (70, 9379216), (77, 8526560), (80, 8206814), (88, 7460740), (92, 7136360), (98, 6699440), (110, 5968592), (112, 5862010), (115, 5709088), (140, 4689608), (154, 4263280), (160, 4103407), (161, 4077920), (176, 3730370), (184, 3568180), (196, 3349720), (220, 2984296), (224, 2931005), (230, 2854544), (245, 2679776), (253, 2595040), (280, 2344804), (308, 2131640), (322, 2038960), (331, 1983520), (352, 1865185), (368, 1784090), (385, 1705312), (392, 1674860), (440, 1492148), (460, 1427272), (490, 1339888), (506, 1297520), (539, 1218080), (560, 1172402), (616, 1065820), (644, 1019480), (662, 991760), (736, 892045), (770, 852656), (784, 837430), (805, 815584), (880, 746074), (920, 713636), (980, 669944), (1012, 648760), (1078, 609040), (1120, 586201), (1127, 582560), (1232, 532910), (1265, 519008), (1288, 509740), (1324, 495880), (1540, 426328), (1568, 418715), (1610, 407792), (1655, 396704), (1760, 373037), (1771, 370720), (1840, 356818), (1960, 334972), (2024, 324380), (2156, 304520), (2254, 291280), (2317, 283360), (2464, 266455), (2530, 259504), (2576, 254870), (2648, 247940), (2695, 243616), (3080, 213164), (3220, 203896), (3310, 198352), (3542, 185360), (3641, 180320), (3680, 178409), (3920, 167486), (4048, 162190), (4312, 152260), (4508, 145640), (4634, 141680), (5060, 129752), (5152, 127435), (5296, 123970), (5390, 121808), (5635, 116512), (6160, 106582), (6440, 101948), (6620, 99176), (7084, 92680), (7282, 90160), (7613, 86240), (7840, 83743), (8096, 81095), (8624, 76130), (8855, 74144), (9016, 72820), (9268, 70840), (10120, 64876), (10592, 61985), (10780, 60904), (11270, 58256), (11585, 56672), (12320, 53291), (12397, 52960), (12880, 50974), (13240, 49588), (14168, 46340), (14564, 45080), (15226, 43120), (16219, 40480), (17248, 38065), (17710, 37072), (18032, 36410), (18205, 36064), (18536, 35420), (20240, 32438), (21560, 30452), (22540, 29128), (23170, 28336), (24794, 26480), (25487, 25760)]