220256960

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1277}}^1$

素因数の和:1319

約数の個数: 168

約数和(自身を含む): 666103824

約数和(自身を除く): 445846864

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 32, 35, 40, 44, 49, 55, 56, 64, 70, 77, 80, 88, 98, 110, 112, 140, 154, 160, 176, 196, 220, 224, 245, 280, 308, 320, 352, 385, 392, 440, 448, 490, 539, 560, 616, 704, 770, 784, 880, 980, 1078, 1120, 1232, 1277, 1540, 1568, 1760, 1960, 2156, 2240, 2464, 2554, 2695, 3080, 3136, 3520, 3920, 4312, 4928, 5108, 5390, 6160, 6385, 7840, 8624, 8939, 10216, 10780, 12320, 12770, 14047, 15680, 17248, 17878, 20432, 21560, 24640, 25540, 28094, 34496, 35756, 40864, 43120, 44695, 51080, 56188, 62573, 70235, 71512, 81728, 86240, 89390, 98329, 102160, 112376, 125146, 140470, 143024, 172480, 178780, 196658, 204320, 224752, 250292, 280940, 286048, 312865, 357560, 393316, 408640, 449504, 491645, 500584, 561880, 572096, 625730, 688303, 715120, 786632, 899008, 983290, 1001168, 1123760, 1251460, 1376606, 1430240, 1573264, 1966580, 2002336, 2247520, 2502920, 2753212, 2860480, 3146528, 3441515, 3933160, 4004672, 4495040, 5005840, 5506424, 6293056, 6883030, 7866320, 10011680, 11012848, 13766060, 15732640, 20023360, 22025696, 27532120, 31465280, 44051392, 55064240, 110128480, 220256960]

約数ペア:

[(1, 220256960), (2, 110128480), (4, 55064240), (5, 44051392), (7, 31465280), (8, 27532120), (10, 22025696), (11, 20023360), (14, 15732640), (16, 13766060), (20, 11012848), (22, 10011680), (28, 7866320), (32, 6883030), (35, 6293056), (40, 5506424), (44, 5005840), (49, 4495040), (55, 4004672), (56, 3933160), (64, 3441515), (70, 3146528), (77, 2860480), (80, 2753212), (88, 2502920), (98, 2247520), (110, 2002336), (112, 1966580), (140, 1573264), (154, 1430240), (160, 1376606), (176, 1251460), (196, 1123760), (220, 1001168), (224, 983290), (245, 899008), (280, 786632), (308, 715120), (320, 688303), (352, 625730), (385, 572096), (392, 561880), (440, 500584), (448, 491645), (490, 449504), (539, 408640), (560, 393316), (616, 357560), (704, 312865), (770, 286048), (784, 280940), (880, 250292), (980, 224752), (1078, 204320), (1120, 196658), (1232, 178780), (1277, 172480), (1540, 143024), (1568, 140470), (1760, 125146), (1960, 112376), (2156, 102160), (2240, 98329), (2464, 89390), (2554, 86240), (2695, 81728), (3080, 71512), (3136, 70235), (3520, 62573), (3920, 56188), (4312, 51080), (4928, 44695), (5108, 43120), (5390, 40864), (6160, 35756), (6385, 34496), (7840, 28094), (8624, 25540), (8939, 24640), (10216, 21560), (10780, 20432), (12320, 17878), (12770, 17248), (14047, 15680)]