665953600

素因数分解:

$2^6\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{317}}^1$

素因数の和:453

約数の個数: 168

約数和(自身を含む): 1787807448

約数和(自身を除く): 1121853848

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 101, 104, 130, 160, 200, 202, 208, 260, 317, 320, 325, 400, 404, 416, 505, 520, 634, 650, 800, 808, 832, 1010, 1040, 1268, 1300, 1313, 1585, 1600, 1616, 2020, 2080, 2525, 2536, 2600, 2626, 3170, 3232, 4040, 4121, 4160, 5050, 5072, 5200, 5252, 6340, 6464, 6565, 7925, 8080, 8242, 10100, 10144, 10400, 10504, 12680, 13130, 15850, 16160, 16484, 20200, 20288, 20605, 20800, 21008, 25360, 26260, 31700, 32017, 32320, 32825, 32968, 40400, 41210, 42016, 50720, 52520, 63400, 64034, 65650, 65936, 80800, 82420, 84032, 101440, 103025, 105040, 126800, 128068, 131300, 131872, 160085, 161600, 164840, 206050, 210080, 253600, 256136, 262600, 263744, 320170, 329680, 412100, 416221, 420160, 507200, 512272, 525200, 640340, 659360, 800425, 824200, 832442, 1024544, 1050400, 1280680, 1318720, 1600850, 1648400, 1664884, 2049088, 2081105, 2100800, 2561360, 3201700, 3296800, 3329768, 4162210, 5122720, 6403400, 6593600, 6659536, 8324420, 10245440, 10405525, 12806800, 13319072, 16648840, 20811050, 25613600, 26638144, 33297680, 41622100, 51227200, 66595360, 83244200, 133190720, 166488400, 332976800, 665953600]

約数ペア:

[(1, 665953600), (2, 332976800), (4, 166488400), (5, 133190720), (8, 83244200), (10, 66595360), (13, 51227200), (16, 41622100), (20, 33297680), (25, 26638144), (26, 25613600), (32, 20811050), (40, 16648840), (50, 13319072), (52, 12806800), (64, 10405525), (65, 10245440), (80, 8324420), (100, 6659536), (101, 6593600), (104, 6403400), (130, 5122720), (160, 4162210), (200, 3329768), (202, 3296800), (208, 3201700), (260, 2561360), (317, 2100800), (320, 2081105), (325, 2049088), (400, 1664884), (404, 1648400), (416, 1600850), (505, 1318720), (520, 1280680), (634, 1050400), (650, 1024544), (800, 832442), (808, 824200), (832, 800425), (1010, 659360), (1040, 640340), (1268, 525200), (1300, 512272), (1313, 507200), (1585, 420160), (1600, 416221), (1616, 412100), (2020, 329680), (2080, 320170), (2525, 263744), (2536, 262600), (2600, 256136), (2626, 253600), (3170, 210080), (3232, 206050), (4040, 164840), (4121, 161600), (4160, 160085), (5050, 131872), (5072, 131300), (5200, 128068), (5252, 126800), (6340, 105040), (6464, 103025), (6565, 101440), (7925, 84032), (8080, 82420), (8242, 80800), (10100, 65936), (10144, 65650), (10400, 64034), (10504, 63400), (12680, 52520), (13130, 50720), (15850, 42016), (16160, 41210), (16484, 40400), (20200, 32968), (20288, 32825), (20605, 32320), (20800, 32017), (21008, 31700), (25360, 26260)]