15406020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{12227}}^1$

素因数の和:12249

約数の個数: 72

約数和(自身を含む): 53411904

約数和(自身を除く): 38005884

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, 12227, 24454, 36681, 48908, 61135, 73362, 85589, 110043, 122270, 146724, 171178, 183405, 220086, 244540, 256767, 342356, 366810, 427945, 440172, 513534, 550215, 733620, 770301, 855890, 1027068, 1100430, 1283835, 1540602, 1711780, 2200860, 2567670, 3081204, 3851505, 5135340, 7703010, 15406020]

約数ペア:

[(1, 15406020), (2, 7703010), (3, 5135340), (4, 3851505), (5, 3081204), (6, 2567670), (7, 2200860), (9, 1711780), (10, 1540602), (12, 1283835), (14, 1100430), (15, 1027068), (18, 855890), (20, 770301), (21, 733620), (28, 550215), (30, 513534), (35, 440172), (36, 427945), (42, 366810), (45, 342356), (60, 256767), (63, 244540), (70, 220086), (84, 183405), (90, 171178), (105, 146724), (126, 122270), (140, 110043), (180, 85589), (210, 73362), (252, 61135), (315, 48908), (420, 36681), (630, 24454), (1260, 12227)]