217772520

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8363}}^1$

素因数の和:8415

約数の個数: 128

約数和(自身を含む): 770826240

約数和(自身を除く): 553053720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 31, 35, 40, 42, 56, 60, 62, 70, 84, 93, 105, 120, 124, 140, 155, 168, 186, 210, 217, 248, 280, 310, 372, 420, 434, 465, 620, 651, 744, 840, 868, 930, 1085, 1240, 1302, 1736, 1860, 2170, 2604, 3255, 3720, 4340, 5208, 6510, 8363, 8680, 13020, 16726, 25089, 26040, 33452, 41815, 50178, 58541, 66904, 83630, 100356, 117082, 125445, 167260, 175623, 200712, 234164, 250890, 259253, 292705, 334520, 351246, 468328, 501780, 518506, 585410, 702492, 777759, 878115, 1003560, 1037012, 1170820, 1296265, 1404984, 1555518, 1756230, 1814771, 2074024, 2341640, 2592530, 3111036, 3512460, 3629542, 3888795, 5185060, 5444313, 6222072, 7024920, 7259084, 7777590, 9073855, 10370120, 10888626, 14518168, 15555180, 18147710, 21777252, 27221565, 31110360, 36295420, 43554504, 54443130, 72590840, 108886260, 217772520]

約数ペア:

[(1, 217772520), (2, 108886260), (3, 72590840), (4, 54443130), (5, 43554504), (6, 36295420), (7, 31110360), (8, 27221565), (10, 21777252), (12, 18147710), (14, 15555180), (15, 14518168), (20, 10888626), (21, 10370120), (24, 9073855), (28, 7777590), (30, 7259084), (31, 7024920), (35, 6222072), (40, 5444313), (42, 5185060), (56, 3888795), (60, 3629542), (62, 3512460), (70, 3111036), (84, 2592530), (93, 2341640), (105, 2074024), (120, 1814771), (124, 1756230), (140, 1555518), (155, 1404984), (168, 1296265), (186, 1170820), (210, 1037012), (217, 1003560), (248, 878115), (280, 777759), (310, 702492), (372, 585410), (420, 518506), (434, 501780), (465, 468328), (620, 351246), (651, 334520), (744, 292705), (840, 259253), (868, 250890), (930, 234164), (1085, 200712), (1240, 175623), (1302, 167260), (1736, 125445), (1860, 117082), (2170, 100356), (2604, 83630), (3255, 66904), (3720, 58541), (4340, 50178), (5208, 41815), (6510, 33452), (8363, 26040), (8680, 25089), (13020, 16726)]