20808821040

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{937}}^1\times {\mathrm{13219}}^1$

素因数の和:14179

約数の個数: 160

約数和(自身を含む): 73806942720

約数和(自身を除く): 52998121680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 937, 1680, 1874, 2811, 3748, 4685, 5622, 6559, 7496, 9370, 11244, 13118, 13219, 14055, 14992, 18740, 19677, 22488, 26236, 26438, 28110, 32795, 37480, 39354, 39657, 44976, 52472, 52876, 56220, 65590, 66095, 74960, 78708, 79314, 92533, 98385, 104944, 105752, 112440, 131180, 132190, 157416, 158628, 185066, 196770, 198285, 211504, 224880, 262360, 264380, 277599, 314832, 317256, 370132, 393540, 396570, 462665, 524720, 528760, 555198, 634512, 740264, 787080, 793140, 925330, 1057520, 1110396, 1387995, 1480528, 1574160, 1586280, 1850660, 2220792, 2775990, 3172560, 3701320, 4441584, 5551980, 7402640, 11103960, 12386203, 22207920, 24772406, 37158609, 49544812, 61931015, 74317218, 86703421, 99089624, 123862030, 148634436, 173406842, 185793045, 198179248, 247724060, 260110263, 297268872, 346813684, 371586090, 433517105, 495448120, 520220526, 594537744, 693627368, 743172180, 867034210, 990896240, 1040441052, 1300551315, 1387254736, 1486344360, 1734068420, 2080882104, 2601102630, 2972688720, 3468136840, 4161764208, 5202205260, 6936273680, 10404410520, 20808821040]

約数ペア:

[(1, 20808821040), (2, 10404410520), (3, 6936273680), (4, 5202205260), (5, 4161764208), (6, 3468136840), (7, 2972688720), (8, 2601102630), (10, 2080882104), (12, 1734068420), (14, 1486344360), (15, 1387254736), (16, 1300551315), (20, 1040441052), (21, 990896240), (24, 867034210), (28, 743172180), (30, 693627368), (35, 594537744), (40, 520220526), (42, 495448120), (48, 433517105), (56, 371586090), (60, 346813684), (70, 297268872), (80, 260110263), (84, 247724060), (105, 198179248), (112, 185793045), (120, 173406842), (140, 148634436), (168, 123862030), (210, 99089624), (240, 86703421), (280, 74317218), (336, 61931015), (420, 49544812), (560, 37158609), (840, 24772406), (937, 22207920), (1680, 12386203), (1874, 11103960), (2811, 7402640), (3748, 5551980), (4685, 4441584), (5622, 3701320), (6559, 3172560), (7496, 2775990), (9370, 2220792), (11244, 1850660), (13118, 1586280), (13219, 1574160), (14055, 1480528), (14992, 1387995), (18740, 1110396), (19677, 1057520), (22488, 925330), (26236, 793140), (26438, 787080), (28110, 740264), (32795, 634512), (37480, 555198), (39354, 528760), (39657, 524720), (44976, 462665), (52472, 396570), (52876, 393540), (56220, 370132), (65590, 317256), (66095, 314832), (74960, 277599), (78708, 264380), (79314, 262360), (92533, 224880), (98385, 211504), (104944, 198285), (105752, 196770), (112440, 185066), (131180, 158628), (132190, 157416)]