804967393880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{809}}^1\times {\mathrm{4919}}^1$

素因数の和:6141

約数の個数: 128

約数和(自身を含む): 1958327280000

約数和(自身を除く): 1153359886120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 389, 520, 778, 809, 1556, 1618, 1945, 3112, 3236, 3890, 4045, 4919, 5057, 6472, 7780, 8090, 9838, 10114, 10517, 15560, 16180, 19676, 20228, 21034, 24595, 25285, 32360, 39352, 40456, 42068, 49190, 50570, 52585, 63947, 84136, 98380, 101140, 105170, 127894, 196760, 202280, 210340, 255788, 314701, 319735, 420680, 511576, 629402, 639470, 1258804, 1278940, 1573505, 1913491, 2517608, 2557880, 3147010, 3826982, 3979471, 4091113, 6294020, 7653964, 7958942, 8182226, 9567455, 12588040, 15307928, 15917884, 16364452, 19134910, 19897355, 20455565, 24875383, 31835768, 32728904, 38269820, 39794710, 40911130, 49750766, 51733123, 76539640, 79589420, 81822260, 99501532, 103466246, 124376915, 159178840, 163644520, 199003064, 206932492, 248753830, 258665615, 413864984, 497507660, 517331230, 995015320, 1034662460, 1548014219, 2069324920, 3096028438, 6192056876, 7740071095, 12384113752, 15480142190, 20124184847, 30960284380, 40248369694, 61920568760, 80496739388, 100620924235, 160993478776, 201241848470, 402483696940, 804967393880]

約数ペア:

[(1, 804967393880), (2, 402483696940), (4, 201241848470), (5, 160993478776), (8, 100620924235), (10, 80496739388), (13, 61920568760), (20, 40248369694), (26, 30960284380), (40, 20124184847), (52, 15480142190), (65, 12384113752), (104, 7740071095), (130, 6192056876), (260, 3096028438), (389, 2069324920), (520, 1548014219), (778, 1034662460), (809, 995015320), (1556, 517331230), (1618, 497507660), (1945, 413864984), (3112, 258665615), (3236, 248753830), (3890, 206932492), (4045, 199003064), (4919, 163644520), (5057, 159178840), (6472, 124376915), (7780, 103466246), (8090, 99501532), (9838, 81822260), (10114, 79589420), (10517, 76539640), (15560, 51733123), (16180, 49750766), (19676, 40911130), (20228, 39794710), (21034, 38269820), (24595, 32728904), (25285, 31835768), (32360, 24875383), (39352, 20455565), (40456, 19897355), (42068, 19134910), (49190, 16364452), (50570, 15917884), (52585, 15307928), (63947, 12588040), (84136, 9567455), (98380, 8182226), (101140, 7958942), (105170, 7653964), (127894, 6294020), (196760, 4091113), (202280, 3979471), (210340, 3826982), (255788, 3147010), (314701, 2557880), (319735, 2517608), (420680, 1913491), (511576, 1573505), (629402, 1278940), (639470, 1258804)]