30814980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{73369}}^1$

素因数の和:73388

約数の個数: 48

約数和(自身を含む): 98609280

約数和(自身を除く): 67794300

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 73369, 146738, 220107, 293476, 366845, 440214, 513583, 733690, 880428, 1027166, 1100535, 1467380, 1540749, 2054332, 2201070, 2567915, 3081498, 4402140, 5135830, 6162996, 7703745, 10271660, 15407490, 30814980]

約数ペア:

[(1, 30814980), (2, 15407490), (3, 10271660), (4, 7703745), (5, 6162996), (6, 5135830), (7, 4402140), (10, 3081498), (12, 2567915), (14, 2201070), (15, 2054332), (20, 1540749), (21, 1467380), (28, 1100535), (30, 1027166), (35, 880428), (42, 733690), (60, 513583), (70, 440214), (84, 366845), (105, 293476), (140, 220107), (210, 146738), (420, 73369)]