2208945920

素因数分解:

$2^8\times 5^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{311}}^1$

素因数の和:542

約数の個数: 144

約数和(自身を含む): 5509969920

約数和(自身を除く): 3301024000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 179, 248, 256, 310, 311, 320, 358, 496, 620, 622, 640, 716, 895, 992, 1240, 1244, 1280, 1432, 1555, 1790, 1984, 2480, 2488, 2864, 3110, 3580, 3968, 4960, 4976, 5549, 5728, 6220, 7160, 7936, 9641, 9920, 9952, 11098, 11456, 12440, 14320, 19282, 19840, 19904, 22196, 22912, 24880, 27745, 28640, 38564, 39680, 39808, 44392, 45824, 48205, 49760, 55490, 55669, 57280, 77128, 79616, 88784, 96410, 99520, 110980, 111338, 114560, 154256, 177568, 192820, 199040, 221960, 222676, 229120, 278345, 308512, 355136, 385640, 398080, 443920, 445352, 556690, 617024, 710272, 771280, 887840, 890704, 1113380, 1234048, 1420544, 1542560, 1725739, 1775680, 1781408, 2226760, 2468096, 3085120, 3451478, 3551360, 3562816, 4453520, 6170240, 6902956, 7102720, 7125632, 8628695, 8907040, 12340480, 13805912, 14251264, 17257390, 17814080, 27611824, 34514780, 35628160, 55223648, 69029560, 71256320, 110447296, 138059120, 220894592, 276118240, 441789184, 552236480, 1104472960, 2208945920]

約数ペア:

[(1, 2208945920), (2, 1104472960), (4, 552236480), (5, 441789184), (8, 276118240), (10, 220894592), (16, 138059120), (20, 110447296), (31, 71256320), (32, 69029560), (40, 55223648), (62, 35628160), (64, 34514780), (80, 27611824), (124, 17814080), (128, 17257390), (155, 14251264), (160, 13805912), (179, 12340480), (248, 8907040), (256, 8628695), (310, 7125632), (311, 7102720), (320, 6902956), (358, 6170240), (496, 4453520), (620, 3562816), (622, 3551360), (640, 3451478), (716, 3085120), (895, 2468096), (992, 2226760), (1240, 1781408), (1244, 1775680), (1280, 1725739), (1432, 1542560), (1555, 1420544), (1790, 1234048), (1984, 1113380), (2480, 890704), (2488, 887840), (2864, 771280), (3110, 710272), (3580, 617024), (3968, 556690), (4960, 445352), (4976, 443920), (5549, 398080), (5728, 385640), (6220, 355136), (7160, 308512), (7936, 278345), (9641, 229120), (9920, 222676), (9952, 221960), (11098, 199040), (11456, 192820), (12440, 177568), (14320, 154256), (19282, 114560), (19840, 111338), (19904, 110980), (22196, 99520), (22912, 96410), (24880, 88784), (27745, 79616), (28640, 77128), (38564, 57280), (39680, 55669), (39808, 55490), (44392, 49760), (45824, 48205)]