389908080

素因数分解:

$2^4\times 3^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:706

約数の個数: 240

約数和(自身を含む): 1403910144

約数和(自身を除く): 1014002064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 36, 40, 45, 48, 54, 60, 62, 72, 80, 81, 90, 93, 108, 120, 124, 135, 144, 155, 162, 180, 186, 216, 240, 243, 248, 270, 279, 310, 324, 360, 372, 405, 432, 465, 486, 496, 540, 558, 620, 647, 648, 720, 744, 810, 837, 930, 972, 1080, 1116, 1215, 1240, 1294, 1296, 1395, 1488, 1620, 1674, 1860, 1941, 1944, 2160, 2232, 2430, 2480, 2511, 2588, 2790, 3235, 3240, 3348, 3720, 3882, 3888, 4185, 4464, 4860, 5022, 5176, 5580, 5823, 6470, 6480, 6696, 7440, 7533, 7764, 8370, 9705, 9720, 10044, 10352, 11160, 11646, 12555, 12940, 13392, 15066, 15528, 16740, 17469, 19410, 19440, 20057, 20088, 22320, 23292, 25110, 25880, 29115, 30132, 31056, 33480, 34938, 37665, 38820, 40114, 40176, 46584, 50220, 51760, 52407, 58230, 60171, 60264, 66960, 69876, 75330, 77640, 80228, 87345, 93168, 100285, 100440, 104814, 116460, 120342, 120528, 139752, 150660, 155280, 157221, 160456, 174690, 180513, 200570, 200880, 209628, 232920, 240684, 262035, 279504, 300855, 301320, 314442, 320912, 349380, 361026, 401140, 419256, 465840, 481368, 524070, 541539, 601710, 602640, 628884, 698760, 722052, 786105, 802280, 838512, 902565, 962736, 1048140, 1083078, 1203420, 1257768, 1397520, 1444104, 1572210, 1604560, 1624617, 1805130, 2096280, 2166156, 2406840, 2515536, 2707695, 2888208, 3144420, 3249234, 3610260, 4192560, 4332312, 4813680, 4873851, 5415390, 6288840, 6498468, 7220520, 8123085, 8664624, 9747702, 10830780, 12577680, 12996936, 14441040, 16246170, 19495404, 21661560, 24369255, 25993872, 32492340, 38990808, 43323120, 48738510, 64984680, 77981616, 97477020, 129969360, 194954040, 389908080]

約数ペア:

[(1, 389908080), (2, 194954040), (3, 129969360), (4, 97477020), (5, 77981616), (6, 64984680), (8, 48738510), (9, 43323120), (10, 38990808), (12, 32492340), (15, 25993872), (16, 24369255), (18, 21661560), (20, 19495404), (24, 16246170), (27, 14441040), (30, 12996936), (31, 12577680), (36, 10830780), (40, 9747702), (45, 8664624), (48, 8123085), (54, 7220520), (60, 6498468), (62, 6288840), (72, 5415390), (80, 4873851), (81, 4813680), (90, 4332312), (93, 4192560), (108, 3610260), (120, 3249234), (124, 3144420), (135, 2888208), (144, 2707695), (155, 2515536), (162, 2406840), (180, 2166156), (186, 2096280), (216, 1805130), (240, 1624617), (243, 1604560), (248, 1572210), (270, 1444104), (279, 1397520), (310, 1257768), (324, 1203420), (360, 1083078), (372, 1048140), (405, 962736), (432, 902565), (465, 838512), (486, 802280), (496, 786105), (540, 722052), (558, 698760), (620, 628884), (647, 602640), (648, 601710), (720, 541539), (744, 524070), (810, 481368), (837, 465840), (930, 419256), (972, 401140), (1080, 361026), (1116, 349380), (1215, 320912), (1240, 314442), (1294, 301320), (1296, 300855), (1395, 279504), (1488, 262035), (1620, 240684), (1674, 232920), (1860, 209628), (1941, 200880), (1944, 200570), (2160, 180513), (2232, 174690), (2430, 160456), (2480, 157221), (2511, 155280), (2588, 150660), (2790, 139752), (3235, 120528), (3240, 120342), (3348, 116460), (3720, 104814), (3882, 100440), (3888, 100285), (4185, 93168), (4464, 87345), (4860, 80228), (5022, 77640), (5176, 75330), (5580, 69876), (5823, 66960), (6470, 60264), (6480, 60171), (6696, 58230), (7440, 52407), (7533, 51760), (7764, 50220), (8370, 46584), (9705, 40176), (9720, 40114), (10044, 38820), (10352, 37665), (11160, 34938), (11646, 33480), (12555, 31056), (12940, 30132), (13392, 29115), (15066, 25880), (15528, 25110), (16740, 23292), (17469, 22320), (19410, 20088), (19440, 20057)]