242028640

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{30871}}^1$

素因数の和:30900

約数の個数: 72

約数和(自身を含む): 665168112

約数和(自身を除く): 423139472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 30871, 61742, 123484, 154355, 216097, 246968, 308710, 432194, 493936, 617420, 864388, 987872, 1080485, 1234840, 1512679, 1728776, 2160970, 2469680, 3025358, 3457552, 4321940, 4939360, 6050716, 6915104, 7563395, 8643880, 12101432, 15126790, 17287760, 24202864, 30253580, 34575520, 48405728, 60507160, 121014320, 242028640]

約数ペア:

[(1, 242028640), (2, 121014320), (4, 60507160), (5, 48405728), (7, 34575520), (8, 30253580), (10, 24202864), (14, 17287760), (16, 15126790), (20, 12101432), (28, 8643880), (32, 7563395), (35, 6915104), (40, 6050716), (49, 4939360), (56, 4321940), (70, 3457552), (80, 3025358), (98, 2469680), (112, 2160970), (140, 1728776), (160, 1512679), (196, 1234840), (224, 1080485), (245, 987872), (280, 864388), (392, 617420), (490, 493936), (560, 432194), (784, 308710), (980, 246968), (1120, 216097), (1568, 154355), (1960, 123484), (3920, 61742), (7840, 30871)]