221647440

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{131933}}^1$

素因数の和:131956

約数の個数: 80

約数和(自身を含む): 785271168

約数和(自身を除く): 563623728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 131933, 263866, 395799, 527732, 659665, 791598, 923531, 1055464, 1319330, 1583196, 1847062, 1978995, 2110928, 2638660, 2770593, 3166392, 3694124, 3957990, 4617655, 5277320, 5541186, 6332784, 7388248, 7915980, 9235310, 10554640, 11082372, 13852965, 14776496, 15831960, 18470620, 22164744, 27705930, 31663920, 36941240, 44329488, 55411860, 73882480, 110823720, 221647440]

約数ペア:

[(1, 221647440), (2, 110823720), (3, 73882480), (4, 55411860), (5, 44329488), (6, 36941240), (7, 31663920), (8, 27705930), (10, 22164744), (12, 18470620), (14, 15831960), (15, 14776496), (16, 13852965), (20, 11082372), (21, 10554640), (24, 9235310), (28, 7915980), (30, 7388248), (35, 6332784), (40, 5541186), (42, 5277320), (48, 4617655), (56, 3957990), (60, 3694124), (70, 3166392), (80, 2770593), (84, 2638660), (105, 2110928), (112, 1978995), (120, 1847062), (140, 1583196), (168, 1319330), (210, 1055464), (240, 923531), (280, 791598), (336, 659665), (420, 527732), (560, 395799), (840, 263866), (1680, 131933)]