68956020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{54727}}^1$

素因数の和:54749

約数の個数: 72

約数和(自身を含む): 239051904

約数和(自身を除く): 170095884

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, 54727, 109454, 164181, 218908, 273635, 328362, 383089, 492543, 547270, 656724, 766178, 820905, 985086, 1094540, 1149267, 1532356, 1641810, 1915445, 1970172, 2298534, 2462715, 3283620, 3447801, 3830890, 4597068, 4925430, 5746335, 6895602, 7661780, 9850860, 11492670, 13791204, 17239005, 22985340, 34478010, 68956020]

約数ペア:

[(1, 68956020), (2, 34478010), (3, 22985340), (4, 17239005), (5, 13791204), (6, 11492670), (7, 9850860), (9, 7661780), (10, 6895602), (12, 5746335), (14, 4925430), (15, 4597068), (18, 3830890), (20, 3447801), (21, 3283620), (28, 2462715), (30, 2298534), (35, 1970172), (36, 1915445), (42, 1641810), (45, 1532356), (60, 1149267), (63, 1094540), (70, 985086), (84, 820905), (90, 766178), (105, 656724), (126, 547270), (140, 492543), (180, 383089), (210, 328362), (252, 273635), (315, 218908), (420, 164181), (630, 109454), (1260, 54727)]