127538460

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{101221}}^1$

素因数の和:101243

約数の個数: 72

約数和(自身を含む): 442137696

約数和(自身を除く): 314599236

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, 101221, 202442, 303663, 404884, 506105, 607326, 708547, 910989, 1012210, 1214652, 1417094, 1518315, 1821978, 2024420, 2125641, 2834188, 3036630, 3542735, 3643956, 4251282, 4554945, 6073260, 6376923, 7085470, 8502564, 9109890, 10628205, 12753846, 14170940, 18219780, 21256410, 25507692, 31884615, 42512820, 63769230, 127538460]

約数ペア:

[(1, 127538460), (2, 63769230), (3, 42512820), (4, 31884615), (5, 25507692), (6, 21256410), (7, 18219780), (9, 14170940), (10, 12753846), (12, 10628205), (14, 9109890), (15, 8502564), (18, 7085470), (20, 6376923), (21, 6073260), (28, 4554945), (30, 4251282), (35, 3643956), (36, 3542735), (42, 3036630), (45, 2834188), (60, 2125641), (63, 2024420), (70, 1821978), (84, 1518315), (90, 1417094), (105, 1214652), (126, 1012210), (140, 910989), (180, 708547), (210, 607326), (252, 506105), (315, 404884), (420, 303663), (630, 202442), (1260, 101221)]