123920784

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1249}}^1$

素因数の和:1329

約数の個数: 120

約数和(自身を含む): 380835000

約数和(自身を除く): 256914216

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 53, 72, 78, 104, 106, 117, 144, 156, 159, 208, 212, 234, 312, 318, 424, 468, 477, 624, 636, 689, 848, 936, 954, 1249, 1272, 1378, 1872, 1908, 2067, 2498, 2544, 2756, 3747, 3816, 4134, 4996, 5512, 6201, 7494, 7632, 8268, 9992, 11024, 11241, 12402, 14988, 16237, 16536, 19984, 22482, 24804, 29976, 32474, 33072, 44964, 48711, 49608, 59952, 64948, 66197, 89928, 97422, 99216, 129896, 132394, 146133, 179856, 194844, 198591, 259792, 264788, 292266, 389688, 397182, 529576, 584532, 595773, 779376, 794364, 860561, 1059152, 1169064, 1191546, 1588728, 1721122, 2338128, 2383092, 2581683, 3177456, 3442244, 4766184, 5163366, 6884488, 7745049, 9532368, 10326732, 13768976, 15490098, 20653464, 30980196, 41306928, 61960392, 123920784]

約数ペア:

[(1, 123920784), (2, 61960392), (3, 41306928), (4, 30980196), (6, 20653464), (8, 15490098), (9, 13768976), (12, 10326732), (13, 9532368), (16, 7745049), (18, 6884488), (24, 5163366), (26, 4766184), (36, 3442244), (39, 3177456), (48, 2581683), (52, 2383092), (53, 2338128), (72, 1721122), (78, 1588728), (104, 1191546), (106, 1169064), (117, 1059152), (144, 860561), (156, 794364), (159, 779376), (208, 595773), (212, 584532), (234, 529576), (312, 397182), (318, 389688), (424, 292266), (468, 264788), (477, 259792), (624, 198591), (636, 194844), (689, 179856), (848, 146133), (936, 132394), (954, 129896), (1249, 99216), (1272, 97422), (1378, 89928), (1872, 66197), (1908, 64948), (2067, 59952), (2498, 49608), (2544, 48711), (2756, 44964), (3747, 33072), (3816, 32474), (4134, 29976), (4996, 24804), (5512, 22482), (6201, 19984), (7494, 16536), (7632, 16237), (8268, 14988), (9992, 12402), (11024, 11241)]