642351744

素因数分解:

$2^7\times 3^2\times {\mathrm{31}}^1\times {\mathrm{17987}}^1$

素因数の和:18038

約数の個数: 96

約数和(自身を含む): 1908167040

約数和(自身を除く): 1265815296

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 64, 72, 93, 96, 124, 128, 144, 186, 192, 248, 279, 288, 372, 384, 496, 558, 576, 744, 992, 1116, 1152, 1488, 1984, 2232, 2976, 3968, 4464, 5952, 8928, 11904, 17856, 17987, 35712, 35974, 53961, 71948, 107922, 143896, 161883, 215844, 287792, 323766, 431688, 557597, 575584, 647532, 863376, 1115194, 1151168, 1295064, 1672791, 1726752, 2230388, 2302336, 2590128, 3345582, 3453504, 4460776, 5018373, 5180256, 6691164, 6907008, 8921552, 10036746, 10360512, 13382328, 17843104, 20073492, 20721024, 26764656, 35686208, 40146984, 53529312, 71372416, 80293968, 107058624, 160587936, 214117248, 321175872, 642351744]

約数ペア:

[(1, 642351744), (2, 321175872), (3, 214117248), (4, 160587936), (6, 107058624), (8, 80293968), (9, 71372416), (12, 53529312), (16, 40146984), (18, 35686208), (24, 26764656), (31, 20721024), (32, 20073492), (36, 17843104), (48, 13382328), (62, 10360512), (64, 10036746), (72, 8921552), (93, 6907008), (96, 6691164), (124, 5180256), (128, 5018373), (144, 4460776), (186, 3453504), (192, 3345582), (248, 2590128), (279, 2302336), (288, 2230388), (372, 1726752), (384, 1672791), (496, 1295064), (558, 1151168), (576, 1115194), (744, 863376), (992, 647532), (1116, 575584), (1152, 557597), (1488, 431688), (1984, 323766), (2232, 287792), (2976, 215844), (3968, 161883), (4464, 143896), (5952, 107922), (8928, 71948), (11904, 53961), (17856, 35974), (17987, 35712)]