66611720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{659}}^1$

素因数の和:715

約数の個数: 96

約数和(自身を含む): 181051200

約数和(自身を除く): 114439480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 361, 380, 532, 659, 665, 722, 760, 1064, 1318, 1330, 1444, 1805, 2527, 2636, 2660, 2888, 3295, 3610, 4613, 5054, 5272, 5320, 6590, 7220, 9226, 10108, 12521, 12635, 13180, 14440, 18452, 20216, 23065, 25042, 25270, 26360, 36904, 46130, 50084, 50540, 62605, 87647, 92260, 100168, 101080, 125210, 175294, 184520, 237899, 250420, 350588, 438235, 475798, 500840, 701176, 876470, 951596, 1189495, 1665293, 1752940, 1903192, 2378990, 3330586, 3505880, 4757980, 6661172, 8326465, 9515960, 13322344, 16652930, 33305860, 66611720]

約数ペア:

[(1, 66611720), (2, 33305860), (4, 16652930), (5, 13322344), (7, 9515960), (8, 8326465), (10, 6661172), (14, 4757980), (19, 3505880), (20, 3330586), (28, 2378990), (35, 1903192), (38, 1752940), (40, 1665293), (56, 1189495), (70, 951596), (76, 876470), (95, 701176), (133, 500840), (140, 475798), (152, 438235), (190, 350588), (266, 250420), (280, 237899), (361, 184520), (380, 175294), (532, 125210), (659, 101080), (665, 100168), (722, 92260), (760, 87647), (1064, 62605), (1318, 50540), (1330, 50084), (1444, 46130), (1805, 36904), (2527, 26360), (2636, 25270), (2660, 25042), (2888, 23065), (3295, 20216), (3610, 18452), (4613, 14440), (5054, 13180), (5272, 12635), (5320, 12521), (6590, 10108), (7220, 9226)]