639640800

素因数分解:

$2^5\times 3^4\times 5^2\times {\mathrm{9871}}^1$

素因数の和:9903

約数の個数: 180

約数和(自身を含む): 2332881936

約数和(自身を除く): 1693241136

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 27, 30, 32, 36, 40, 45, 48, 50, 54, 60, 72, 75, 80, 81, 90, 96, 100, 108, 120, 135, 144, 150, 160, 162, 180, 200, 216, 225, 240, 270, 288, 300, 324, 360, 400, 405, 432, 450, 480, 540, 600, 648, 675, 720, 800, 810, 864, 900, 1080, 1200, 1296, 1350, 1440, 1620, 1800, 2025, 2160, 2400, 2592, 2700, 3240, 3600, 4050, 4320, 5400, 6480, 7200, 8100, 9871, 10800, 12960, 16200, 19742, 21600, 29613, 32400, 39484, 49355, 59226, 64800, 78968, 88839, 98710, 118452, 148065, 157936, 177678, 197420, 236904, 246775, 266517, 296130, 315872, 355356, 394840, 444195, 473808, 493550, 533034, 592260, 710712, 740325, 789680, 799551, 888390, 947616, 987100, 1066068, 1184520, 1332585, 1421424, 1480650, 1579360, 1599102, 1776780, 1974200, 2132136, 2220975, 2369040, 2665170, 2842848, 2961300, 3198204, 3553560, 3948400, 3997755, 4264272, 4441950, 4738080, 5330340, 5922600, 6396408, 6662925, 7107120, 7896800, 7995510, 8528544, 8883900, 10660680, 11845200, 12792816, 13325850, 14214240, 15991020, 17767800, 19988775, 21321360, 23690400, 25585632, 26651700, 31982040, 35535600, 39977550, 42642720, 53303400, 63964080, 71071200, 79955100, 106606800, 127928160, 159910200, 213213600, 319820400, 639640800]

約数ペア:

[(1, 639640800), (2, 319820400), (3, 213213600), (4, 159910200), (5, 127928160), (6, 106606800), (8, 79955100), (9, 71071200), (10, 63964080), (12, 53303400), (15, 42642720), (16, 39977550), (18, 35535600), (20, 31982040), (24, 26651700), (25, 25585632), (27, 23690400), (30, 21321360), (32, 19988775), (36, 17767800), (40, 15991020), (45, 14214240), (48, 13325850), (50, 12792816), (54, 11845200), (60, 10660680), (72, 8883900), (75, 8528544), (80, 7995510), (81, 7896800), (90, 7107120), (96, 6662925), (100, 6396408), (108, 5922600), (120, 5330340), (135, 4738080), (144, 4441950), (150, 4264272), (160, 3997755), (162, 3948400), (180, 3553560), (200, 3198204), (216, 2961300), (225, 2842848), (240, 2665170), (270, 2369040), (288, 2220975), (300, 2132136), (324, 1974200), (360, 1776780), (400, 1599102), (405, 1579360), (432, 1480650), (450, 1421424), (480, 1332585), (540, 1184520), (600, 1066068), (648, 987100), (675, 947616), (720, 888390), (800, 799551), (810, 789680), (864, 740325), (900, 710712), (1080, 592260), (1200, 533034), (1296, 493550), (1350, 473808), (1440, 444195), (1620, 394840), (1800, 355356), (2025, 315872), (2160, 296130), (2400, 266517), (2592, 246775), (2700, 236904), (3240, 197420), (3600, 177678), (4050, 157936), (4320, 148065), (5400, 118452), (6480, 98710), (7200, 88839), (8100, 78968), (9871, 64800), (10800, 59226), (12960, 49355), (16200, 39484), (19742, 32400), (21600, 29613)]