128605440

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:444

約数の個数: 144

約数和(自身を含む): 415896768

約数和(自身を除く): 287291328

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 107, 120, 128, 160, 192, 214, 240, 256, 313, 320, 321, 384, 428, 480, 535, 626, 640, 642, 768, 856, 939, 960, 1070, 1252, 1280, 1284, 1565, 1605, 1712, 1878, 1920, 2140, 2504, 2568, 3130, 3210, 3424, 3756, 3840, 4280, 4695, 5008, 5136, 6260, 6420, 6848, 7512, 8560, 9390, 10016, 10272, 12520, 12840, 13696, 15024, 17120, 18780, 20032, 20544, 25040, 25680, 27392, 30048, 33491, 34240, 37560, 40064, 41088, 50080, 51360, 60096, 66982, 68480, 75120, 80128, 82176, 100160, 100473, 102720, 120192, 133964, 136960, 150240, 167455, 200320, 200946, 205440, 240384, 267928, 300480, 334910, 400640, 401892, 410880, 502365, 535856, 600960, 669820, 803784, 1004730, 1071712, 1201920, 1339640, 1607568, 2009460, 2143424, 2679280, 3215136, 4018920, 4286848, 5358560, 6430272, 8037840, 8573696, 10717120, 12860544, 16075680, 21434240, 25721088, 32151360, 42868480, 64302720, 128605440]

約数ペア:

[(1, 128605440), (2, 64302720), (3, 42868480), (4, 32151360), (5, 25721088), (6, 21434240), (8, 16075680), (10, 12860544), (12, 10717120), (15, 8573696), (16, 8037840), (20, 6430272), (24, 5358560), (30, 4286848), (32, 4018920), (40, 3215136), (48, 2679280), (60, 2143424), (64, 2009460), (80, 1607568), (96, 1339640), (107, 1201920), (120, 1071712), (128, 1004730), (160, 803784), (192, 669820), (214, 600960), (240, 535856), (256, 502365), (313, 410880), (320, 401892), (321, 400640), (384, 334910), (428, 300480), (480, 267928), (535, 240384), (626, 205440), (640, 200946), (642, 200320), (768, 167455), (856, 150240), (939, 136960), (960, 133964), (1070, 120192), (1252, 102720), (1280, 100473), (1284, 100160), (1565, 82176), (1605, 80128), (1712, 75120), (1878, 68480), (1920, 66982), (2140, 60096), (2504, 51360), (2568, 50080), (3130, 41088), (3210, 40064), (3424, 37560), (3756, 34240), (3840, 33491), (4280, 30048), (4695, 27392), (5008, 25680), (5136, 25040), (6260, 20544), (6420, 20032), (6848, 18780), (7512, 17120), (8560, 15024), (9390, 13696), (10016, 12840), (10272, 12520)]