281824560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:276

約数の個数: 240

約数和(自身を含む): 992347200

約数和(自身を除く): 710522640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 37, 40, 45, 48, 60, 71, 72, 74, 80, 90, 111, 120, 142, 144, 148, 149, 180, 185, 213, 222, 240, 284, 296, 298, 333, 355, 360, 370, 426, 444, 447, 555, 568, 592, 596, 639, 666, 710, 720, 740, 745, 852, 888, 894, 1065, 1110, 1136, 1192, 1278, 1332, 1341, 1420, 1480, 1490, 1665, 1704, 1776, 1788, 2130, 2220, 2235, 2384, 2556, 2627, 2664, 2682, 2840, 2960, 2980, 3195, 3330, 3408, 3576, 4260, 4440, 4470, 5112, 5254, 5328, 5364, 5513, 5680, 5960, 6390, 6660, 6705, 7152, 7881, 8520, 8880, 8940, 10224, 10508, 10579, 10728, 11026, 11920, 12780, 13135, 13320, 13410, 15762, 16539, 17040, 17880, 21016, 21158, 21456, 22052, 23643, 25560, 26270, 26640, 26820, 27565, 31524, 31737, 33078, 35760, 39405, 42032, 42316, 44104, 47286, 49617, 51120, 52540, 52895, 53640, 55130, 63048, 63474, 66156, 78810, 82695, 84632, 88208, 94572, 95211, 99234, 105080, 105790, 107280, 110260, 118215, 126096, 126948, 132312, 157620, 158685, 165390, 169264, 189144, 190422, 198468, 210160, 211580, 220520, 236430, 248085, 253896, 264624, 315240, 317370, 330780, 378288, 380844, 391423, 396936, 423160, 441040, 472860, 476055, 496170, 507792, 630480, 634740, 661560, 761688, 782846, 793872, 846320, 945720, 952110, 992340, 1174269, 1269480, 1323120, 1523376, 1565692, 1891440, 1904220, 1957115, 1984680, 2348538, 2538960, 3131384, 3522807, 3808440, 3914230, 3969360, 4697076, 5871345, 6262768, 7045614, 7616880, 7828460, 9394152, 11742690, 14091228, 15656920, 17614035, 18788304, 23485380, 28182456, 31313840, 35228070, 46970760, 56364912, 70456140, 93941520, 140912280, 281824560]

約数ペア:

[(1, 281824560), (2, 140912280), (3, 93941520), (4, 70456140), (5, 56364912), (6, 46970760), (8, 35228070), (9, 31313840), (10, 28182456), (12, 23485380), (15, 18788304), (16, 17614035), (18, 15656920), (20, 14091228), (24, 11742690), (30, 9394152), (36, 7828460), (37, 7616880), (40, 7045614), (45, 6262768), (48, 5871345), (60, 4697076), (71, 3969360), (72, 3914230), (74, 3808440), (80, 3522807), (90, 3131384), (111, 2538960), (120, 2348538), (142, 1984680), (144, 1957115), (148, 1904220), (149, 1891440), (180, 1565692), (185, 1523376), (213, 1323120), (222, 1269480), (240, 1174269), (284, 992340), (296, 952110), (298, 945720), (333, 846320), (355, 793872), (360, 782846), (370, 761688), (426, 661560), (444, 634740), (447, 630480), (555, 507792), (568, 496170), (592, 476055), (596, 472860), (639, 441040), (666, 423160), (710, 396936), (720, 391423), (740, 380844), (745, 378288), (852, 330780), (888, 317370), (894, 315240), (1065, 264624), (1110, 253896), (1136, 248085), (1192, 236430), (1278, 220520), (1332, 211580), (1341, 210160), (1420, 198468), (1480, 190422), (1490, 189144), (1665, 169264), (1704, 165390), (1776, 158685), (1788, 157620), (2130, 132312), (2220, 126948), (2235, 126096), (2384, 118215), (2556, 110260), (2627, 107280), (2664, 105790), (2682, 105080), (2840, 99234), (2960, 95211), (2980, 94572), (3195, 88208), (3330, 84632), (3408, 82695), (3576, 78810), (4260, 66156), (4440, 63474), (4470, 63048), (5112, 55130), (5254, 53640), (5328, 52895), (5364, 52540), (5513, 51120), (5680, 49617), (5960, 47286), (6390, 44104), (6660, 42316), (6705, 42032), (7152, 39405), (7881, 35760), (8520, 33078), (8880, 31737), (8940, 31524), (10224, 27565), (10508, 26820), (10579, 26640), (10728, 26270), (11026, 25560), (11920, 23643), (12780, 22052), (13135, 21456), (13320, 21158), (13410, 21016), (15762, 17880), (16539, 17040)]