221635680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{65963}}^1$

素因数の和:65988

約数の個数: 96

約数和(自身を含む): 797900544

約数和(自身を除く): 576264864

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 65963, 131926, 197889, 263852, 329815, 395778, 461741, 527704, 659630, 791556, 923482, 989445, 1055408, 1319260, 1385223, 1583112, 1846964, 1978890, 2110816, 2308705, 2638520, 2770446, 3166224, 3693928, 3957780, 4617410, 5277040, 5540892, 6332448, 6926115, 7387856, 7915560, 9234820, 10554080, 11081784, 13852230, 14775712, 15831120, 18469640, 22163568, 27704460, 31662240, 36939280, 44327136, 55408920, 73878560, 110817840, 221635680]

約数ペア:

[(1, 221635680), (2, 110817840), (3, 73878560), (4, 55408920), (5, 44327136), (6, 36939280), (7, 31662240), (8, 27704460), (10, 22163568), (12, 18469640), (14, 15831120), (15, 14775712), (16, 13852230), (20, 11081784), (21, 10554080), (24, 9234820), (28, 7915560), (30, 7387856), (32, 6926115), (35, 6332448), (40, 5540892), (42, 5277040), (48, 4617410), (56, 3957780), (60, 3693928), (70, 3166224), (80, 2770446), (84, 2638520), (96, 2308705), (105, 2110816), (112, 1978890), (120, 1846964), (140, 1583112), (160, 1385223), (168, 1319260), (210, 1055408), (224, 989445), (240, 923482), (280, 791556), (336, 659630), (420, 527704), (480, 461741), (560, 395778), (672, 329815), (840, 263852), (1120, 197889), (1680, 131926), (3360, 65963)]