1780451760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{35159}}^1$

素因数の和:35386

約数の個数: 80

約数和(自身を含む): 5545716480

約数和(自身を除く): 3765264720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 211, 240, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 3376, 4220, 5064, 6330, 8440, 10128, 12660, 16880, 25320, 35159, 50640, 70318, 105477, 140636, 175795, 210954, 281272, 351590, 421908, 527385, 562544, 703180, 843816, 1054770, 1406360, 1687632, 2109540, 2812720, 4219080, 7418549, 8438160, 14837098, 22255647, 29674196, 37092745, 44511294, 59348392, 74185490, 89022588, 111278235, 118696784, 148370980, 178045176, 222556470, 296741960, 356090352, 445112940, 593483920, 890225880, 1780451760]

約数ペア:

[(1, 1780451760), (2, 890225880), (3, 593483920), (4, 445112940), (5, 356090352), (6, 296741960), (8, 222556470), (10, 178045176), (12, 148370980), (15, 118696784), (16, 111278235), (20, 89022588), (24, 74185490), (30, 59348392), (40, 44511294), (48, 37092745), (60, 29674196), (80, 22255647), (120, 14837098), (211, 8438160), (240, 7418549), (422, 4219080), (633, 2812720), (844, 2109540), (1055, 1687632), (1266, 1406360), (1688, 1054770), (2110, 843816), (2532, 703180), (3165, 562544), (3376, 527385), (4220, 421908), (5064, 351590), (6330, 281272), (8440, 210954), (10128, 175795), (12660, 140636), (16880, 105477), (25320, 70318), (35159, 50640)]