30402720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{491}}^1$

素因数の和:555

約数の個数: 144

約数和(自身を含む): 106378272

約数和(自身を除く): 75975552

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 491, 516, 645, 688, 720, 774, 860, 982, 1032, 1290, 1376, 1440, 1473, 1548, 1720, 1935, 1964, 2064, 2455, 2580, 2946, 3096, 3440, 3870, 3928, 4128, 4419, 4910, 5160, 5892, 6192, 6880, 7365, 7740, 7856, 8838, 9820, 10320, 11784, 12384, 14730, 15480, 15712, 17676, 19640, 20640, 21113, 22095, 23568, 29460, 30960, 35352, 39280, 42226, 44190, 47136, 58920, 61920, 63339, 70704, 78560, 84452, 88380, 105565, 117840, 126678, 141408, 168904, 176760, 190017, 211130, 235680, 253356, 316695, 337808, 353520, 380034, 422260, 506712, 633390, 675616, 707040, 760068, 844520, 950085, 1013424, 1266780, 1520136, 1689040, 1900170, 2026848, 2533560, 3040272, 3378080, 3800340, 5067120, 6080544, 7600680, 10134240, 15201360, 30402720]

約数ペア:

[(1, 30402720), (2, 15201360), (3, 10134240), (4, 7600680), (5, 6080544), (6, 5067120), (8, 3800340), (9, 3378080), (10, 3040272), (12, 2533560), (15, 2026848), (16, 1900170), (18, 1689040), (20, 1520136), (24, 1266780), (30, 1013424), (32, 950085), (36, 844520), (40, 760068), (43, 707040), (45, 675616), (48, 633390), (60, 506712), (72, 422260), (80, 380034), (86, 353520), (90, 337808), (96, 316695), (120, 253356), (129, 235680), (144, 211130), (160, 190017), (172, 176760), (180, 168904), (215, 141408), (240, 126678), (258, 117840), (288, 105565), (344, 88380), (360, 84452), (387, 78560), (430, 70704), (480, 63339), (491, 61920), (516, 58920), (645, 47136), (688, 44190), (720, 42226), (774, 39280), (860, 35352), (982, 30960), (1032, 29460), (1290, 23568), (1376, 22095), (1440, 21113), (1473, 20640), (1548, 19640), (1720, 17676), (1935, 15712), (1964, 15480), (2064, 14730), (2455, 12384), (2580, 11784), (2946, 10320), (3096, 9820), (3440, 8838), (3870, 7856), (3928, 7740), (4128, 7365), (4419, 6880), (4910, 6192), (5160, 5892)]