77930580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{2039}}^1$

素因数の和:2078

約数の個数: 144

約数和(自身を含む): 273490560

約数和(自身を除く): 195559980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 455, 490, 546, 588, 637, 735, 780, 910, 980, 1092, 1274, 1365, 1470, 1820, 1911, 2039, 2548, 2730, 2940, 3185, 3822, 4078, 5460, 6117, 6370, 7644, 8156, 9555, 10195, 12234, 12740, 14273, 19110, 20390, 24468, 26507, 28546, 30585, 38220, 40780, 42819, 53014, 57092, 61170, 71365, 79521, 85638, 99911, 106028, 122340, 132535, 142730, 159042, 171276, 185549, 199822, 214095, 265070, 285460, 299733, 318084, 371098, 397605, 399644, 428190, 499555, 530140, 556647, 599466, 742196, 795210, 856380, 927745, 999110, 1113294, 1198932, 1298843, 1498665, 1590420, 1855490, 1998220, 2226588, 2597686, 2783235, 2997330, 3710980, 3896529, 5195372, 5566470, 5994660, 6494215, 7793058, 11132940, 12988430, 15586116, 19482645, 25976860, 38965290, 77930580]

約数ペア:

[(1, 77930580), (2, 38965290), (3, 25976860), (4, 19482645), (5, 15586116), (6, 12988430), (7, 11132940), (10, 7793058), (12, 6494215), (13, 5994660), (14, 5566470), (15, 5195372), (20, 3896529), (21, 3710980), (26, 2997330), (28, 2783235), (30, 2597686), (35, 2226588), (39, 1998220), (42, 1855490), (49, 1590420), (52, 1498665), (60, 1298843), (65, 1198932), (70, 1113294), (78, 999110), (84, 927745), (91, 856380), (98, 795210), (105, 742196), (130, 599466), (140, 556647), (147, 530140), (156, 499555), (182, 428190), (195, 399644), (196, 397605), (210, 371098), (245, 318084), (260, 299733), (273, 285460), (294, 265070), (364, 214095), (390, 199822), (420, 185549), (455, 171276), (490, 159042), (546, 142730), (588, 132535), (637, 122340), (735, 106028), (780, 99911), (910, 85638), (980, 79521), (1092, 71365), (1274, 61170), (1365, 57092), (1470, 53014), (1820, 42819), (1911, 40780), (2039, 38220), (2548, 30585), (2730, 28546), (2940, 26507), (3185, 24468), (3822, 20390), (4078, 19110), (5460, 14273), (6117, 12740), (6370, 12234), (7644, 10195), (8156, 9555)]