78533520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25171}}^1$

素因数の和:25200

約数の個数: 80

約数和(自身を含む): 262191552

約数和(自身を除く): 183658032

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25171, 50342, 75513, 100684, 125855, 151026, 201368, 251710, 302052, 327223, 377565, 402736, 503420, 604104, 654446, 755130, 981669, 1006840, 1208208, 1308892, 1510260, 1636115, 1963338, 2013680, 2617784, 3020520, 3272230, 3926676, 4908345, 5235568, 6041040, 6544460, 7853352, 9816690, 13088920, 15706704, 19633380, 26177840, 39266760, 78533520]

約数ペア:

[(1, 78533520), (2, 39266760), (3, 26177840), (4, 19633380), (5, 15706704), (6, 13088920), (8, 9816690), (10, 7853352), (12, 6544460), (13, 6041040), (15, 5235568), (16, 4908345), (20, 3926676), (24, 3272230), (26, 3020520), (30, 2617784), (39, 2013680), (40, 1963338), (48, 1636115), (52, 1510260), (60, 1308892), (65, 1208208), (78, 1006840), (80, 981669), (104, 755130), (120, 654446), (130, 604104), (156, 503420), (195, 402736), (208, 377565), (240, 327223), (260, 302052), (312, 251710), (390, 201368), (520, 151026), (624, 125855), (780, 100684), (1040, 75513), (1560, 50342), (3120, 25171)]