78295840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1319}}^1$

素因数の和:1394

約数の個数: 96

約数和(自身を含む): 215550720

約数和(自身を除く): 137254880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 53, 56, 70, 80, 106, 112, 140, 160, 212, 224, 265, 280, 371, 424, 530, 560, 742, 848, 1060, 1120, 1319, 1484, 1696, 1855, 2120, 2638, 2968, 3710, 4240, 5276, 5936, 6595, 7420, 8480, 9233, 10552, 11872, 13190, 14840, 18466, 21104, 26380, 29680, 36932, 42208, 46165, 52760, 59360, 69907, 73864, 92330, 105520, 139814, 147728, 184660, 211040, 279628, 295456, 349535, 369320, 489349, 559256, 699070, 738640, 978698, 1118512, 1398140, 1477280, 1957396, 2237024, 2446745, 2796280, 3914792, 4893490, 5592560, 7829584, 9786980, 11185120, 15659168, 19573960, 39147920, 78295840]

約数ペア:

[(1, 78295840), (2, 39147920), (4, 19573960), (5, 15659168), (7, 11185120), (8, 9786980), (10, 7829584), (14, 5592560), (16, 4893490), (20, 3914792), (28, 2796280), (32, 2446745), (35, 2237024), (40, 1957396), (53, 1477280), (56, 1398140), (70, 1118512), (80, 978698), (106, 738640), (112, 699070), (140, 559256), (160, 489349), (212, 369320), (224, 349535), (265, 295456), (280, 279628), (371, 211040), (424, 184660), (530, 147728), (560, 139814), (742, 105520), (848, 92330), (1060, 73864), (1120, 69907), (1319, 59360), (1484, 52760), (1696, 46165), (1855, 42208), (2120, 36932), (2638, 29680), (2968, 26380), (3710, 21104), (4240, 18466), (5276, 14840), (5936, 13190), (6595, 11872), (7420, 10552), (8480, 9233)]