211615380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4919}}^1$

素因数の和:5173

約数の個数: 72

約数和(自身を含む): 644716800

約数和(自身を除く): 433101420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 239, 478, 717, 956, 1195, 1434, 2151, 2390, 2868, 3585, 4302, 4780, 4919, 7170, 8604, 9838, 10755, 14340, 14757, 19676, 21510, 24595, 29514, 43020, 44271, 49190, 59028, 73785, 88542, 98380, 147570, 177084, 221355, 295140, 442710, 885420, 1175641, 2351282, 3526923, 4702564, 5878205, 7053846, 10580769, 11756410, 14107692, 17634615, 21161538, 23512820, 35269230, 42323076, 52903845, 70538460, 105807690, 211615380]

約数ペア:

[(1, 211615380), (2, 105807690), (3, 70538460), (4, 52903845), (5, 42323076), (6, 35269230), (9, 23512820), (10, 21161538), (12, 17634615), (15, 14107692), (18, 11756410), (20, 10580769), (30, 7053846), (36, 5878205), (45, 4702564), (60, 3526923), (90, 2351282), (180, 1175641), (239, 885420), (478, 442710), (717, 295140), (956, 221355), (1195, 177084), (1434, 147570), (2151, 98380), (2390, 88542), (2868, 73785), (3585, 59028), (4302, 49190), (4780, 44271), (4919, 43020), (7170, 29514), (8604, 24595), (9838, 21510), (10755, 19676), (14340, 14757)]