216940480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1151}}^1$

素因数の和:1218

約数の個数: 112

約数和(自身を含む): 561807360

約数和(自身を除く): 344866880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 152, 155, 160, 190, 248, 304, 310, 320, 380, 496, 589, 608, 620, 760, 992, 1151, 1178, 1216, 1240, 1520, 1984, 2302, 2356, 2480, 2945, 3040, 4604, 4712, 4960, 5755, 5890, 6080, 9208, 9424, 9920, 11510, 11780, 18416, 18848, 21869, 23020, 23560, 35681, 36832, 37696, 43738, 46040, 47120, 71362, 73664, 87476, 92080, 94240, 109345, 142724, 174952, 178405, 184160, 188480, 218690, 285448, 349904, 356810, 368320, 437380, 570896, 677939, 699808, 713620, 874760, 1141792, 1355878, 1399616, 1427240, 1749520, 2283584, 2711756, 2854480, 3389695, 3499040, 5423512, 5708960, 6779390, 6998080, 10847024, 11417920, 13558780, 21694048, 27117560, 43388096, 54235120, 108470240, 216940480]

約数ペア:

[(1, 216940480), (2, 108470240), (4, 54235120), (5, 43388096), (8, 27117560), (10, 21694048), (16, 13558780), (19, 11417920), (20, 10847024), (31, 6998080), (32, 6779390), (38, 5708960), (40, 5423512), (62, 3499040), (64, 3389695), (76, 2854480), (80, 2711756), (95, 2283584), (124, 1749520), (152, 1427240), (155, 1399616), (160, 1355878), (190, 1141792), (248, 874760), (304, 713620), (310, 699808), (320, 677939), (380, 570896), (496, 437380), (589, 368320), (608, 356810), (620, 349904), (760, 285448), (992, 218690), (1151, 188480), (1178, 184160), (1216, 178405), (1240, 174952), (1520, 142724), (1984, 109345), (2302, 94240), (2356, 92080), (2480, 87476), (2945, 73664), (3040, 71362), (4604, 47120), (4712, 46040), (4960, 43738), (5755, 37696), (5890, 36832), (6080, 35681), (9208, 23560), (9424, 23020), (9920, 21869), (11510, 18848), (11780, 18416)]