1687638480

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{639257}}^1$

素因数の和:639284

約数の個数: 80

約数和(自身を含む): 5707295424

約数和(自身を除く): 4019656944

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 639257, 1278514, 1917771, 2557028, 3196285, 3835542, 5114056, 6392570, 7031827, 7671084, 9588855, 10228112, 12785140, 14063654, 15342168, 19177710, 21095481, 25570280, 28127308, 30684336, 35159135, 38355420, 42190962, 51140560, 56254616, 70318270, 76710840, 84381924, 105477405, 112509232, 140636540, 153421680, 168763848, 210954810, 281273080, 337527696, 421909620, 562546160, 843819240, 1687638480]

約数ペア:

[(1, 1687638480), (2, 843819240), (3, 562546160), (4, 421909620), (5, 337527696), (6, 281273080), (8, 210954810), (10, 168763848), (11, 153421680), (12, 140636540), (15, 112509232), (16, 105477405), (20, 84381924), (22, 76710840), (24, 70318270), (30, 56254616), (33, 51140560), (40, 42190962), (44, 38355420), (48, 35159135), (55, 30684336), (60, 28127308), (66, 25570280), (80, 21095481), (88, 19177710), (110, 15342168), (120, 14063654), (132, 12785140), (165, 10228112), (176, 9588855), (220, 7671084), (240, 7031827), (264, 6392570), (330, 5114056), (440, 3835542), (528, 3196285), (660, 2557028), (880, 1917771), (1320, 1278514), (2640, 639257)]