7143640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{823}}^1$

素因数の和:872

約数の個数: 64

約数和(自身を含む): 18984960

約数和(自身を除く): 11841320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 823, 868, 1085, 1240, 1646, 1736, 2170, 3292, 4115, 4340, 5761, 6584, 8230, 8680, 11522, 16460, 23044, 25513, 28805, 32920, 46088, 51026, 57610, 102052, 115220, 127565, 178591, 204104, 230440, 255130, 357182, 510260, 714364, 892955, 1020520, 1428728, 1785910, 3571820, 7143640]

約数ペア:

[(1, 7143640), (2, 3571820), (4, 1785910), (5, 1428728), (7, 1020520), (8, 892955), (10, 714364), (14, 510260), (20, 357182), (28, 255130), (31, 230440), (35, 204104), (40, 178591), (56, 127565), (62, 115220), (70, 102052), (124, 57610), (140, 51026), (155, 46088), (217, 32920), (248, 28805), (280, 25513), (310, 23044), (434, 16460), (620, 11522), (823, 8680), (868, 8230), (1085, 6584), (1240, 5761), (1646, 4340), (1736, 4115), (2170, 3292)]