820190560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{23623}}^1$

素因数の和:23676

約数の個数: 96

約数和(自身を含む): 2286047232

約数和(自身を除く): 1465856672

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 160, 217, 224, 248, 280, 310, 434, 496, 560, 620, 868, 992, 1085, 1120, 1240, 1736, 2170, 2480, 3472, 4340, 4960, 6944, 8680, 17360, 23623, 34720, 47246, 94492, 118115, 165361, 188984, 236230, 330722, 377968, 472460, 661444, 732313, 755936, 826805, 944920, 1322888, 1464626, 1653610, 1889840, 2645776, 2929252, 3307220, 3661565, 3779680, 5126191, 5291552, 5858504, 6614440, 7323130, 10252382, 11717008, 13228880, 14646260, 20504764, 23434016, 25630955, 26457760, 29292520, 41009528, 51261910, 58585040, 82019056, 102523820, 117170080, 164038112, 205047640, 410095280, 820190560]

約数ペア:

[(1, 820190560), (2, 410095280), (4, 205047640), (5, 164038112), (7, 117170080), (8, 102523820), (10, 82019056), (14, 58585040), (16, 51261910), (20, 41009528), (28, 29292520), (31, 26457760), (32, 25630955), (35, 23434016), (40, 20504764), (56, 14646260), (62, 13228880), (70, 11717008), (80, 10252382), (112, 7323130), (124, 6614440), (140, 5858504), (155, 5291552), (160, 5126191), (217, 3779680), (224, 3661565), (248, 3307220), (280, 2929252), (310, 2645776), (434, 1889840), (496, 1653610), (560, 1464626), (620, 1322888), (868, 944920), (992, 826805), (1085, 755936), (1120, 732313), (1240, 661444), (1736, 472460), (2170, 377968), (2480, 330722), (3472, 236230), (4340, 188984), (4960, 165361), (6944, 118115), (8680, 94492), (17360, 47246), (23623, 34720)]