216691440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{128983}}^1$

素因数の和:129006

約数の個数: 80

約数和(自身を含む): 767712768

約数和(自身を除く): 551021328

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 128983, 257966, 386949, 515932, 644915, 773898, 902881, 1031864, 1289830, 1547796, 1805762, 1934745, 2063728, 2579660, 2708643, 3095592, 3611524, 3869490, 4514405, 5159320, 5417286, 6191184, 7223048, 7738980, 9028810, 10318640, 10834572, 13543215, 14446096, 15477960, 18057620, 21669144, 27086430, 30955920, 36115240, 43338288, 54172860, 72230480, 108345720, 216691440]

約数ペア:

[(1, 216691440), (2, 108345720), (3, 72230480), (4, 54172860), (5, 43338288), (6, 36115240), (7, 30955920), (8, 27086430), (10, 21669144), (12, 18057620), (14, 15477960), (15, 14446096), (16, 13543215), (20, 10834572), (21, 10318640), (24, 9028810), (28, 7738980), (30, 7223048), (35, 6191184), (40, 5417286), (42, 5159320), (48, 4514405), (56, 3869490), (60, 3611524), (70, 3095592), (80, 2708643), (84, 2579660), (105, 2063728), (112, 1934745), (120, 1805762), (140, 1547796), (168, 1289830), (210, 1031864), (240, 902881), (280, 773898), (336, 644915), (420, 515932), (560, 386949), (840, 257966), (1680, 128983)]