846688120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1\times {\mathrm{1033}}^1$

素因数の和:1736

約数の個数: 64

約数和(自身を含む): 1971383040

約数和(自身を除く): 1124694920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 661, 1033, 1240, 1322, 2066, 2644, 3305, 4132, 5165, 5288, 6610, 8264, 10330, 13220, 20491, 20660, 26440, 32023, 40982, 41320, 64046, 81964, 102455, 128092, 160115, 163928, 204910, 256184, 320230, 409820, 640460, 682813, 819640, 1280920, 1365626, 2731252, 3414065, 5462504, 6828130, 13656260, 21167203, 27312520, 42334406, 84668812, 105836015, 169337624, 211672030, 423344060, 846688120]

約数ペア:

[(1, 846688120), (2, 423344060), (4, 211672030), (5, 169337624), (8, 105836015), (10, 84668812), (20, 42334406), (31, 27312520), (40, 21167203), (62, 13656260), (124, 6828130), (155, 5462504), (248, 3414065), (310, 2731252), (620, 1365626), (661, 1280920), (1033, 819640), (1240, 682813), (1322, 640460), (2066, 409820), (2644, 320230), (3305, 256184), (4132, 204910), (5165, 163928), (5288, 160115), (6610, 128092), (8264, 102455), (10330, 81964), (13220, 64046), (20491, 41320), (20660, 40982), (26440, 32023)]