161651880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2657}}^1$

素因数の和:2700

約数の個数: 144

約数和(自身を含む): 569104380

約数和(自身を除く): 407452500

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 45, 52, 60, 65, 72, 78, 90, 104, 117, 120, 130, 156, 169, 180, 195, 234, 260, 312, 338, 360, 390, 468, 507, 520, 585, 676, 780, 845, 936, 1014, 1170, 1352, 1521, 1560, 1690, 2028, 2340, 2535, 2657, 3042, 3380, 4056, 4680, 5070, 5314, 6084, 6760, 7605, 7971, 10140, 10628, 12168, 13285, 15210, 15942, 20280, 21256, 23913, 26570, 30420, 31884, 34541, 39855, 47826, 53140, 60840, 63768, 69082, 79710, 95652, 103623, 106280, 119565, 138164, 159420, 172705, 191304, 207246, 239130, 276328, 310869, 318840, 345410, 414492, 449033, 478260, 518115, 621738, 690820, 828984, 898066, 956520, 1036230, 1243476, 1347099, 1381640, 1554345, 1796132, 2072460, 2245165, 2486952, 2694198, 3108690, 3592264, 4041297, 4144920, 4490330, 5388396, 6217380, 6735495, 8082594, 8980660, 10776792, 12434760, 13470990, 16165188, 17961320, 20206485, 26941980, 32330376, 40412970, 53883960, 80825940, 161651880]

約数ペア:

[(1, 161651880), (2, 80825940), (3, 53883960), (4, 40412970), (5, 32330376), (6, 26941980), (8, 20206485), (9, 17961320), (10, 16165188), (12, 13470990), (13, 12434760), (15, 10776792), (18, 8980660), (20, 8082594), (24, 6735495), (26, 6217380), (30, 5388396), (36, 4490330), (39, 4144920), (40, 4041297), (45, 3592264), (52, 3108690), (60, 2694198), (65, 2486952), (72, 2245165), (78, 2072460), (90, 1796132), (104, 1554345), (117, 1381640), (120, 1347099), (130, 1243476), (156, 1036230), (169, 956520), (180, 898066), (195, 828984), (234, 690820), (260, 621738), (312, 518115), (338, 478260), (360, 449033), (390, 414492), (468, 345410), (507, 318840), (520, 310869), (585, 276328), (676, 239130), (780, 207246), (845, 191304), (936, 172705), (1014, 159420), (1170, 138164), (1352, 119565), (1521, 106280), (1560, 103623), (1690, 95652), (2028, 79710), (2340, 69082), (2535, 63768), (2657, 60840), (3042, 53140), (3380, 47826), (4056, 39855), (4680, 34541), (5070, 31884), (5314, 30420), (6084, 26570), (6760, 23913), (7605, 21256), (7971, 20280), (10140, 15942), (10628, 15210), (12168, 13285)]