61807900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1$

素因数の和:404

約数の個数: 144

約数和(自身を含む): 174988800

約数和(自身を除く): 113180900

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 23, 25, 28, 35, 44, 46, 50, 55, 70, 77, 92, 100, 110, 115, 140, 154, 161, 175, 220, 230, 253, 275, 308, 322, 349, 350, 385, 460, 506, 550, 575, 644, 698, 700, 770, 805, 1012, 1100, 1150, 1265, 1396, 1540, 1610, 1745, 1771, 1925, 2300, 2443, 2530, 3220, 3490, 3542, 3839, 3850, 4025, 4886, 5060, 6325, 6980, 7084, 7678, 7700, 8027, 8050, 8725, 8855, 9772, 12215, 12650, 15356, 16054, 16100, 17450, 17710, 19195, 24430, 25300, 26873, 32108, 34900, 35420, 38390, 40135, 44275, 48860, 53746, 56189, 61075, 76780, 80270, 88297, 88550, 95975, 107492, 112378, 122150, 134365, 160540, 176594, 177100, 191950, 200675, 224756, 244300, 268730, 280945, 353188, 383900, 401350, 441485, 537460, 561890, 618079, 671825, 802700, 882970, 1123780, 1236158, 1343650, 1404725, 1765940, 2207425, 2472316, 2687300, 2809450, 3090395, 4414850, 5618900, 6180790, 8829700, 12361580, 15451975, 30903950, 61807900]

約数ペア:

[(1, 61807900), (2, 30903950), (4, 15451975), (5, 12361580), (7, 8829700), (10, 6180790), (11, 5618900), (14, 4414850), (20, 3090395), (22, 2809450), (23, 2687300), (25, 2472316), (28, 2207425), (35, 1765940), (44, 1404725), (46, 1343650), (50, 1236158), (55, 1123780), (70, 882970), (77, 802700), (92, 671825), (100, 618079), (110, 561890), (115, 537460), (140, 441485), (154, 401350), (161, 383900), (175, 353188), (220, 280945), (230, 268730), (253, 244300), (275, 224756), (308, 200675), (322, 191950), (349, 177100), (350, 176594), (385, 160540), (460, 134365), (506, 122150), (550, 112378), (575, 107492), (644, 95975), (698, 88550), (700, 88297), (770, 80270), (805, 76780), (1012, 61075), (1100, 56189), (1150, 53746), (1265, 48860), (1396, 44275), (1540, 40135), (1610, 38390), (1745, 35420), (1771, 34900), (1925, 32108), (2300, 26873), (2443, 25300), (2530, 24430), (3220, 19195), (3490, 17710), (3542, 17450), (3839, 16100), (3850, 16054), (4025, 15356), (4886, 12650), (5060, 12215), (6325, 9772), (6980, 8855), (7084, 8725), (7678, 8050), (7700, 8027)]