338266880

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1987}}^1$

素因数の和:2034

約数の個数: 144

約数和(自身を含む): 975233280

約数和(自身を除く): 636966400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 64, 70, 76, 80, 95, 112, 128, 133, 140, 152, 160, 190, 224, 256, 266, 280, 304, 320, 380, 448, 532, 560, 608, 640, 665, 760, 896, 1064, 1120, 1216, 1280, 1330, 1520, 1792, 1987, 2128, 2240, 2432, 2660, 3040, 3974, 4256, 4480, 4864, 5320, 6080, 7948, 8512, 8960, 9935, 10640, 12160, 13909, 15896, 17024, 19870, 21280, 24320, 27818, 31792, 34048, 37753, 39740, 42560, 55636, 63584, 69545, 75506, 79480, 85120, 111272, 127168, 139090, 151012, 158960, 170240, 188765, 222544, 254336, 264271, 278180, 302024, 317920, 377530, 445088, 508672, 528542, 556360, 604048, 635840, 755060, 890176, 1057084, 1112720, 1208096, 1271680, 1321355, 1510120, 1780352, 2114168, 2225440, 2416192, 2543360, 2642710, 3020240, 3560704, 4228336, 4450880, 4832384, 5285420, 6040480, 8456672, 8901760, 9664768, 10570840, 12080960, 16913344, 17803520, 21141680, 24161920, 33826688, 42283360, 48323840, 67653376, 84566720, 169133440, 338266880]

約数ペア:

[(1, 338266880), (2, 169133440), (4, 84566720), (5, 67653376), (7, 48323840), (8, 42283360), (10, 33826688), (14, 24161920), (16, 21141680), (19, 17803520), (20, 16913344), (28, 12080960), (32, 10570840), (35, 9664768), (38, 8901760), (40, 8456672), (56, 6040480), (64, 5285420), (70, 4832384), (76, 4450880), (80, 4228336), (95, 3560704), (112, 3020240), (128, 2642710), (133, 2543360), (140, 2416192), (152, 2225440), (160, 2114168), (190, 1780352), (224, 1510120), (256, 1321355), (266, 1271680), (280, 1208096), (304, 1112720), (320, 1057084), (380, 890176), (448, 755060), (532, 635840), (560, 604048), (608, 556360), (640, 528542), (665, 508672), (760, 445088), (896, 377530), (1064, 317920), (1120, 302024), (1216, 278180), (1280, 264271), (1330, 254336), (1520, 222544), (1792, 188765), (1987, 170240), (2128, 158960), (2240, 151012), (2432, 139090), (2660, 127168), (3040, 111272), (3974, 85120), (4256, 79480), (4480, 75506), (4864, 69545), (5320, 63584), (6080, 55636), (7948, 42560), (8512, 39740), (8960, 37753), (9935, 34048), (10640, 31792), (12160, 27818), (13909, 24320), (15896, 21280), (17024, 19870)]