778391640

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55441}}^1$

素因数の和:55474

約数の個数: 128

約数和(自身を含む): 2794276800

約数和(自身を除く): 2015885160

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 27, 30, 36, 39, 40, 45, 52, 54, 60, 65, 72, 78, 90, 104, 108, 117, 120, 130, 135, 156, 180, 195, 216, 234, 260, 270, 312, 351, 360, 390, 468, 520, 540, 585, 702, 780, 936, 1080, 1170, 1404, 1560, 1755, 2340, 2808, 3510, 4680, 7020, 14040, 55441, 110882, 166323, 221764, 277205, 332646, 443528, 498969, 554410, 665292, 720733, 831615, 997938, 1108820, 1330584, 1441466, 1496907, 1663230, 1995876, 2162199, 2217640, 2494845, 2882932, 2993814, 3326460, 3603665, 3991752, 4324398, 4989690, 5765864, 5987628, 6486597, 6652920, 7207330, 7484535, 8648796, 9979380, 10810995, 11975256, 12973194, 14414660, 14969070, 17297592, 19459791, 19958760, 21621990, 25946388, 28829320, 29938140, 32432985, 38919582, 43243980, 51892776, 59876280, 64865970, 77839164, 86487960, 97298955, 129731940, 155678328, 194597910, 259463880, 389195820, 778391640]

約数ペア:

[(1, 778391640), (2, 389195820), (3, 259463880), (4, 194597910), (5, 155678328), (6, 129731940), (8, 97298955), (9, 86487960), (10, 77839164), (12, 64865970), (13, 59876280), (15, 51892776), (18, 43243980), (20, 38919582), (24, 32432985), (26, 29938140), (27, 28829320), (30, 25946388), (36, 21621990), (39, 19958760), (40, 19459791), (45, 17297592), (52, 14969070), (54, 14414660), (60, 12973194), (65, 11975256), (72, 10810995), (78, 9979380), (90, 8648796), (104, 7484535), (108, 7207330), (117, 6652920), (120, 6486597), (130, 5987628), (135, 5765864), (156, 4989690), (180, 4324398), (195, 3991752), (216, 3603665), (234, 3326460), (260, 2993814), (270, 2882932), (312, 2494845), (351, 2217640), (360, 2162199), (390, 1995876), (468, 1663230), (520, 1496907), (540, 1441466), (585, 1330584), (702, 1108820), (780, 997938), (936, 831615), (1080, 720733), (1170, 665292), (1404, 554410), (1560, 498969), (1755, 443528), (2340, 332646), (2808, 277205), (3510, 221764), (4680, 166323), (7020, 110882), (14040, 55441)]