188940780

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{149953}}^1$

素因数の和:149975

約数の個数: 72

約数和(自身を含む): 654999072

約数和(自身を除く): 466058292

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, 149953, 299906, 449859, 599812, 749765, 899718, 1049671, 1349577, 1499530, 1799436, 2099342, 2249295, 2699154, 2999060, 3149013, 4198684, 4498590, 5248355, 5398308, 6298026, 6747885, 8997180, 9447039, 10496710, 12596052, 13495770, 15745065, 18894078, 20993420, 26991540, 31490130, 37788156, 47235195, 62980260, 94470390, 188940780]

約数ペア:

[(1, 188940780), (2, 94470390), (3, 62980260), (4, 47235195), (5, 37788156), (6, 31490130), (7, 26991540), (9, 20993420), (10, 18894078), (12, 15745065), (14, 13495770), (15, 12596052), (18, 10496710), (20, 9447039), (21, 8997180), (28, 6747885), (30, 6298026), (35, 5398308), (36, 5248355), (42, 4498590), (45, 4198684), (60, 3149013), (63, 2999060), (70, 2699154), (84, 2249295), (90, 2099342), (105, 1799436), (126, 1499530), (140, 1349577), (180, 1049671), (210, 899718), (252, 749765), (315, 599812), (420, 449859), (630, 299906), (1260, 149953)]