661322880

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{12757}}^1$

素因数の和:12788

約数の個数: 160

約数和(自身を含む): 2361888540

約数和(自身を除く): 1700565660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 270, 288, 320, 324, 360, 384, 405, 432, 480, 540, 576, 640, 648, 720, 810, 864, 960, 1080, 1152, 1296, 1440, 1620, 1728, 1920, 2160, 2592, 2880, 3240, 3456, 4320, 5184, 5760, 6480, 8640, 10368, 12757, 12960, 17280, 25514, 25920, 38271, 51028, 51840, 63785, 76542, 102056, 114813, 127570, 153084, 191355, 204112, 229626, 255140, 306168, 344439, 382710, 408224, 459252, 510280, 574065, 612336, 688878, 765420, 816448, 918504, 1020560, 1033317, 1148130, 1224672, 1377756, 1530840, 1632896, 1722195, 1837008, 2041120, 2066634, 2296260, 2449344, 2755512, 3061680, 3444390, 3674016, 4082240, 4133268, 4592520, 4898688, 5166585, 5511024, 6123360, 6888780, 7348032, 8164480, 8266536, 9185040, 10333170, 11022048, 12246720, 13777560, 14696064, 16533072, 18370080, 20666340, 22044096, 24493440, 27555120, 33066144, 36740160, 41332680, 44088192, 55110240, 66132288, 73480320, 82665360, 110220480, 132264576, 165330720, 220440960, 330661440, 661322880]

約数ペア:

[(1, 661322880), (2, 330661440), (3, 220440960), (4, 165330720), (5, 132264576), (6, 110220480), (8, 82665360), (9, 73480320), (10, 66132288), (12, 55110240), (15, 44088192), (16, 41332680), (18, 36740160), (20, 33066144), (24, 27555120), (27, 24493440), (30, 22044096), (32, 20666340), (36, 18370080), (40, 16533072), (45, 14696064), (48, 13777560), (54, 12246720), (60, 11022048), (64, 10333170), (72, 9185040), (80, 8266536), (81, 8164480), (90, 7348032), (96, 6888780), (108, 6123360), (120, 5511024), (128, 5166585), (135, 4898688), (144, 4592520), (160, 4133268), (162, 4082240), (180, 3674016), (192, 3444390), (216, 3061680), (240, 2755512), (270, 2449344), (288, 2296260), (320, 2066634), (324, 2041120), (360, 1837008), (384, 1722195), (405, 1632896), (432, 1530840), (480, 1377756), (540, 1224672), (576, 1148130), (640, 1033317), (648, 1020560), (720, 918504), (810, 816448), (864, 765420), (960, 688878), (1080, 612336), (1152, 574065), (1296, 510280), (1440, 459252), (1620, 408224), (1728, 382710), (1920, 344439), (2160, 306168), (2592, 255140), (2880, 229626), (3240, 204112), (3456, 191355), (4320, 153084), (5184, 127570), (5760, 114813), (6480, 102056), (8640, 76542), (10368, 63785), (12757, 51840), (12960, 51028), (17280, 38271), (25514, 25920)]