261185664

素因数分解:

$2^7\times 3^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{593}}^1$

素因数の和:678

約数の個数: 128

約数和(自身を含む): 736750080

約数和(自身を除く): 475564416

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 37, 48, 62, 64, 74, 93, 96, 111, 124, 128, 148, 186, 192, 222, 248, 296, 372, 384, 444, 496, 592, 593, 744, 888, 992, 1147, 1184, 1186, 1488, 1776, 1779, 1984, 2294, 2368, 2372, 2976, 3441, 3552, 3558, 3968, 4588, 4736, 4744, 5952, 6882, 7104, 7116, 9176, 9488, 11904, 13764, 14208, 14232, 18352, 18383, 18976, 21941, 27528, 28464, 36704, 36766, 37952, 43882, 55056, 55149, 56928, 65823, 73408, 73532, 75904, 87764, 110112, 110298, 113856, 131646, 146816, 147064, 175528, 220224, 220596, 227712, 263292, 294128, 351056, 440448, 441192, 526584, 588256, 680171, 702112, 882384, 1053168, 1176512, 1360342, 1404224, 1764768, 2040513, 2106336, 2353024, 2720684, 2808448, 3529536, 4081026, 4212672, 5441368, 7059072, 8162052, 8425344, 10882736, 16324104, 21765472, 32648208, 43530944, 65296416, 87061888, 130592832, 261185664]

約数ペア:

[(1, 261185664), (2, 130592832), (3, 87061888), (4, 65296416), (6, 43530944), (8, 32648208), (12, 21765472), (16, 16324104), (24, 10882736), (31, 8425344), (32, 8162052), (37, 7059072), (48, 5441368), (62, 4212672), (64, 4081026), (74, 3529536), (93, 2808448), (96, 2720684), (111, 2353024), (124, 2106336), (128, 2040513), (148, 1764768), (186, 1404224), (192, 1360342), (222, 1176512), (248, 1053168), (296, 882384), (372, 702112), (384, 680171), (444, 588256), (496, 526584), (592, 441192), (593, 440448), (744, 351056), (888, 294128), (992, 263292), (1147, 227712), (1184, 220596), (1186, 220224), (1488, 175528), (1776, 147064), (1779, 146816), (1984, 131646), (2294, 113856), (2368, 110298), (2372, 110112), (2976, 87764), (3441, 75904), (3552, 73532), (3558, 73408), (3968, 65823), (4588, 56928), (4736, 55149), (4744, 55056), (5952, 43882), (6882, 37952), (7104, 36766), (7116, 36704), (9176, 28464), (9488, 27528), (11904, 21941), (13764, 18976), (14208, 18383), (14232, 18352)]