207814880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2081

約数の個数: 144

約数和(自身を含む): 615353760

約数和(自身を除く): 407538880

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 49, 52, 56, 65, 70, 80, 91, 98, 104, 112, 130, 140, 160, 182, 196, 208, 224, 245, 260, 280, 364, 392, 416, 455, 490, 520, 560, 637, 728, 784, 910, 980, 1040, 1120, 1274, 1456, 1568, 1820, 1960, 2039, 2080, 2548, 2912, 3185, 3640, 3920, 4078, 5096, 6370, 7280, 7840, 8156, 10192, 10195, 12740, 14273, 14560, 16312, 20384, 20390, 25480, 26507, 28546, 32624, 40780, 50960, 53014, 57092, 65248, 71365, 81560, 99911, 101920, 106028, 114184, 132535, 142730, 163120, 185549, 199822, 212056, 228368, 265070, 285460, 326240, 371098, 399644, 424112, 456736, 499555, 530140, 570920, 742196, 799288, 848224, 927745, 999110, 1060280, 1141840, 1298843, 1484392, 1598576, 1855490, 1998220, 2120560, 2283680, 2597686, 2968784, 3197152, 3710980, 3996440, 4241120, 5195372, 5937568, 6494215, 7421960, 7992880, 10390744, 12988430, 14843920, 15985760, 20781488, 25976860, 29687840, 41562976, 51953720, 103907440, 207814880]

約数ペア:

[(1, 207814880), (2, 103907440), (4, 51953720), (5, 41562976), (7, 29687840), (8, 25976860), (10, 20781488), (13, 15985760), (14, 14843920), (16, 12988430), (20, 10390744), (26, 7992880), (28, 7421960), (32, 6494215), (35, 5937568), (40, 5195372), (49, 4241120), (52, 3996440), (56, 3710980), (65, 3197152), (70, 2968784), (80, 2597686), (91, 2283680), (98, 2120560), (104, 1998220), (112, 1855490), (130, 1598576), (140, 1484392), (160, 1298843), (182, 1141840), (196, 1060280), (208, 999110), (224, 927745), (245, 848224), (260, 799288), (280, 742196), (364, 570920), (392, 530140), (416, 499555), (455, 456736), (490, 424112), (520, 399644), (560, 371098), (637, 326240), (728, 285460), (784, 265070), (910, 228368), (980, 212056), (1040, 199822), (1120, 185549), (1274, 163120), (1456, 142730), (1568, 132535), (1820, 114184), (1960, 106028), (2039, 101920), (2080, 99911), (2548, 81560), (2912, 71365), (3185, 65248), (3640, 57092), (3920, 53014), (4078, 50960), (5096, 40780), (6370, 32624), (7280, 28546), (7840, 26507), (8156, 25480), (10192, 20390), (10195, 20384), (12740, 16312), (14273, 14560)]