646682480

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{7211}}^1$

素因数の和:7302

約数の個数: 80

約数和(自身を含む): 1609718400

約数和(自身を除く): 963035920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 59, 76, 80, 95, 118, 152, 190, 236, 295, 304, 380, 472, 590, 760, 944, 1121, 1180, 1520, 2242, 2360, 4484, 4720, 5605, 7211, 8968, 11210, 14422, 17936, 22420, 28844, 36055, 44840, 57688, 72110, 89680, 115376, 137009, 144220, 274018, 288440, 425449, 548036, 576880, 685045, 850898, 1096072, 1370090, 1701796, 2127245, 2192144, 2740180, 3403592, 4254490, 5480360, 6807184, 8083531, 8508980, 10960720, 16167062, 17017960, 32334124, 34035920, 40417655, 64668248, 80835310, 129336496, 161670620, 323341240, 646682480]

約数ペア:

[(1, 646682480), (2, 323341240), (4, 161670620), (5, 129336496), (8, 80835310), (10, 64668248), (16, 40417655), (19, 34035920), (20, 32334124), (38, 17017960), (40, 16167062), (59, 10960720), (76, 8508980), (80, 8083531), (95, 6807184), (118, 5480360), (152, 4254490), (190, 3403592), (236, 2740180), (295, 2192144), (304, 2127245), (380, 1701796), (472, 1370090), (590, 1096072), (760, 850898), (944, 685045), (1121, 576880), (1180, 548036), (1520, 425449), (2242, 288440), (2360, 274018), (4484, 144220), (4720, 137009), (5605, 115376), (7211, 89680), (8968, 72110), (11210, 57688), (14422, 44840), (17936, 36055), (22420, 28844)]