80143920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1409}}^1$

素因数の和:1507

約数の個数: 120

約数和(自身を含む): 272750400

約数和(自身を除く): 192606480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 79, 80, 90, 120, 144, 158, 180, 237, 240, 316, 360, 395, 474, 632, 711, 720, 790, 948, 1185, 1264, 1409, 1422, 1580, 1896, 2370, 2818, 2844, 3160, 3555, 3792, 4227, 4740, 5636, 5688, 6320, 7045, 7110, 8454, 9480, 11272, 11376, 12681, 14090, 14220, 16908, 18960, 21135, 22544, 25362, 28180, 28440, 33816, 42270, 50724, 56360, 56880, 63405, 67632, 84540, 101448, 111311, 112720, 126810, 169080, 202896, 222622, 253620, 333933, 338160, 445244, 507240, 556555, 667866, 890488, 1001799, 1014480, 1113110, 1335732, 1669665, 1780976, 2003598, 2226220, 2671464, 3339330, 4007196, 4452440, 5008995, 5342928, 6678660, 8014392, 8904880, 10017990, 13357320, 16028784, 20035980, 26714640, 40071960, 80143920]

約数ペア:

[(1, 80143920), (2, 40071960), (3, 26714640), (4, 20035980), (5, 16028784), (6, 13357320), (8, 10017990), (9, 8904880), (10, 8014392), (12, 6678660), (15, 5342928), (16, 5008995), (18, 4452440), (20, 4007196), (24, 3339330), (30, 2671464), (36, 2226220), (40, 2003598), (45, 1780976), (48, 1669665), (60, 1335732), (72, 1113110), (79, 1014480), (80, 1001799), (90, 890488), (120, 667866), (144, 556555), (158, 507240), (180, 445244), (237, 338160), (240, 333933), (316, 253620), (360, 222622), (395, 202896), (474, 169080), (632, 126810), (711, 112720), (720, 111311), (790, 101448), (948, 84540), (1185, 67632), (1264, 63405), (1409, 56880), (1422, 56360), (1580, 50724), (1896, 42270), (2370, 33816), (2818, 28440), (2844, 28180), (3160, 25362), (3555, 22544), (3792, 21135), (4227, 18960), (4740, 16908), (5636, 14220), (5688, 14090), (6320, 12681), (7045, 11376), (7110, 11272), (8454, 9480)]