56215740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{19121}}^1$

素因数の和:19147

約数の個数: 72

約数和(自身を含む): 183112272

約数和(自身を除く): 126896532

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 19121, 38242, 57363, 76484, 95605, 114726, 133847, 191210, 229452, 267694, 286815, 382420, 401541, 535388, 573630, 669235, 803082, 936929, 1147260, 1338470, 1606164, 1873858, 2007705, 2676940, 2810787, 3747716, 4015410, 4684645, 5621574, 8030820, 9369290, 11243148, 14053935, 18738580, 28107870, 56215740]

約数ペア:

[(1, 56215740), (2, 28107870), (3, 18738580), (4, 14053935), (5, 11243148), (6, 9369290), (7, 8030820), (10, 5621574), (12, 4684645), (14, 4015410), (15, 3747716), (20, 2810787), (21, 2676940), (28, 2007705), (30, 1873858), (35, 1606164), (42, 1338470), (49, 1147260), (60, 936929), (70, 803082), (84, 669235), (98, 573630), (105, 535388), (140, 401541), (147, 382420), (196, 286815), (210, 267694), (245, 229452), (294, 191210), (420, 133847), (490, 114726), (588, 95605), (735, 76484), (980, 57363), (1470, 38242), (2940, 19121)]