90489420

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{647}}^1$

素因数の和:709

約数の個数: 192

約数和(自身を含む): 330946560

約数和(自身を除く): 240457140

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 37, 42, 45, 54, 60, 63, 70, 74, 84, 90, 105, 108, 111, 126, 135, 140, 148, 180, 185, 189, 210, 222, 252, 259, 270, 315, 333, 370, 378, 420, 444, 518, 540, 555, 630, 647, 666, 740, 756, 777, 945, 999, 1036, 1110, 1260, 1294, 1295, 1332, 1554, 1665, 1890, 1941, 1998, 2220, 2331, 2588, 2590, 3108, 3235, 3330, 3780, 3882, 3885, 3996, 4529, 4662, 4995, 5180, 5823, 6470, 6660, 6993, 7764, 7770, 9058, 9324, 9705, 9990, 11646, 11655, 12940, 13587, 13986, 15540, 17469, 18116, 19410, 19980, 22645, 23292, 23310, 23939, 27174, 27972, 29115, 34938, 34965, 38820, 40761, 45290, 46620, 47878, 54348, 58230, 67935, 69876, 69930, 71817, 81522, 87345, 90580, 95756, 116460, 119695, 122283, 135870, 139860, 143634, 163044, 167573, 174690, 203805, 215451, 239390, 244566, 271740, 287268, 335146, 349380, 359085, 407610, 430902, 478780, 489132, 502719, 611415, 646353, 670292, 718170, 815220, 837865, 861804, 1005438, 1077255, 1222830, 1292706, 1436340, 1508157, 1675730, 2010876, 2154510, 2445660, 2513595, 2585412, 3016314, 3231765, 3351460, 4309020, 4524471, 5027190, 6032628, 6463530, 7540785, 9048942, 10054380, 12927060, 15081570, 18097884, 22622355, 30163140, 45244710, 90489420]

約数ペア:

[(1, 90489420), (2, 45244710), (3, 30163140), (4, 22622355), (5, 18097884), (6, 15081570), (7, 12927060), (9, 10054380), (10, 9048942), (12, 7540785), (14, 6463530), (15, 6032628), (18, 5027190), (20, 4524471), (21, 4309020), (27, 3351460), (28, 3231765), (30, 3016314), (35, 2585412), (36, 2513595), (37, 2445660), (42, 2154510), (45, 2010876), (54, 1675730), (60, 1508157), (63, 1436340), (70, 1292706), (74, 1222830), (84, 1077255), (90, 1005438), (105, 861804), (108, 837865), (111, 815220), (126, 718170), (135, 670292), (140, 646353), (148, 611415), (180, 502719), (185, 489132), (189, 478780), (210, 430902), (222, 407610), (252, 359085), (259, 349380), (270, 335146), (315, 287268), (333, 271740), (370, 244566), (378, 239390), (420, 215451), (444, 203805), (518, 174690), (540, 167573), (555, 163044), (630, 143634), (647, 139860), (666, 135870), (740, 122283), (756, 119695), (777, 116460), (945, 95756), (999, 90580), (1036, 87345), (1110, 81522), (1260, 71817), (1294, 69930), (1295, 69876), (1332, 67935), (1554, 58230), (1665, 54348), (1890, 47878), (1941, 46620), (1998, 45290), (2220, 40761), (2331, 38820), (2588, 34965), (2590, 34938), (3108, 29115), (3235, 27972), (3330, 27174), (3780, 23939), (3882, 23310), (3885, 23292), (3996, 22645), (4529, 19980), (4662, 19410), (4995, 18116), (5180, 17469), (5823, 15540), (6470, 13986), (6660, 13587), (6993, 12940), (7764, 11655), (7770, 11646), (9058, 9990), (9324, 9705)]