80913420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{64217}}^1$

素因数の和:64239

約数の個数: 72

約数和(自身を含む): 280504224

約数和(自身を除く): 199590804

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 64217, 128434, 192651, 256868, 321085, 385302, 449519, 577953, 642170, 770604, 899038, 963255, 1155906, 1284340, 1348557, 1798076, 1926510, 2247595, 2311812, 2697114, 2889765, 3853020, 4045671, 4495190, 5394228, 5779530, 6742785, 8091342, 8990380, 11559060, 13485570, 16182684, 20228355, 26971140, 40456710, 80913420]

約数ペア:

[(1, 80913420), (2, 40456710), (3, 26971140), (4, 20228355), (5, 16182684), (6, 13485570), (7, 11559060), (9, 8990380), (10, 8091342), (12, 6742785), (14, 5779530), (15, 5394228), (18, 4495190), (20, 4045671), (21, 3853020), (28, 2889765), (30, 2697114), (35, 2311812), (36, 2247595), (42, 1926510), (45, 1798076), (60, 1348557), (63, 1284340), (70, 1155906), (84, 963255), (90, 899038), (105, 770604), (126, 642170), (140, 577953), (180, 449519), (210, 385302), (252, 321085), (315, 256868), (420, 192651), (630, 128434), (1260, 64217)]