218938140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{2371}}^1$

素因数の和:2414

約数の個数: 144

約数和(自身を含む): 725262720

約数和(自身を除く): 506324580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 81, 90, 95, 108, 114, 135, 162, 171, 180, 190, 228, 243, 270, 285, 324, 342, 380, 405, 486, 513, 540, 570, 684, 810, 855, 972, 1026, 1140, 1215, 1539, 1620, 1710, 2052, 2371, 2430, 2565, 3078, 3420, 4617, 4742, 4860, 5130, 6156, 7113, 7695, 9234, 9484, 10260, 11855, 14226, 15390, 18468, 21339, 23085, 23710, 28452, 30780, 35565, 42678, 45049, 46170, 47420, 64017, 71130, 85356, 90098, 92340, 106695, 128034, 135147, 142260, 180196, 192051, 213390, 225245, 256068, 270294, 320085, 384102, 405441, 426780, 450490, 540588, 576153, 640170, 675735, 768204, 810882, 900980, 960255, 1152306, 1216323, 1280340, 1351470, 1621764, 1920510, 2027205, 2304612, 2432646, 2702940, 2880765, 3648969, 3841020, 4054410, 4865292, 5761530, 6081615, 7297938, 8108820, 10946907, 11523060, 12163230, 14595876, 18244845, 21893814, 24326460, 36489690, 43787628, 54734535, 72979380, 109469070, 218938140]

約数ペア:

[(1, 218938140), (2, 109469070), (3, 72979380), (4, 54734535), (5, 43787628), (6, 36489690), (9, 24326460), (10, 21893814), (12, 18244845), (15, 14595876), (18, 12163230), (19, 11523060), (20, 10946907), (27, 8108820), (30, 7297938), (36, 6081615), (38, 5761530), (45, 4865292), (54, 4054410), (57, 3841020), (60, 3648969), (76, 2880765), (81, 2702940), (90, 2432646), (95, 2304612), (108, 2027205), (114, 1920510), (135, 1621764), (162, 1351470), (171, 1280340), (180, 1216323), (190, 1152306), (228, 960255), (243, 900980), (270, 810882), (285, 768204), (324, 675735), (342, 640170), (380, 576153), (405, 540588), (486, 450490), (513, 426780), (540, 405441), (570, 384102), (684, 320085), (810, 270294), (855, 256068), (972, 225245), (1026, 213390), (1140, 192051), (1215, 180196), (1539, 142260), (1620, 135147), (1710, 128034), (2052, 106695), (2371, 92340), (2430, 90098), (2565, 85356), (3078, 71130), (3420, 64017), (4617, 47420), (4742, 46170), (4860, 45049), (5130, 42678), (6156, 35565), (7113, 30780), (7695, 28452), (9234, 23710), (9484, 23085), (10260, 21339), (11855, 18468), (14226, 15390)]