72014320

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{18371}}^1$

素因数の和:18398

約数の個数: 60

約数和(自身を含む): 194779944

約数和(自身を除く): 122765624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 18371, 36742, 73484, 91855, 128597, 146968, 183710, 257194, 293936, 367420, 514388, 642985, 734840, 900179, 1028776, 1285970, 1469680, 1800358, 2057552, 2571940, 3600716, 4500895, 5143880, 7201432, 9001790, 10287760, 14402864, 18003580, 36007160, 72014320]

約数ペア:

[(1, 72014320), (2, 36007160), (4, 18003580), (5, 14402864), (7, 10287760), (8, 9001790), (10, 7201432), (14, 5143880), (16, 4500895), (20, 3600716), (28, 2571940), (35, 2057552), (40, 1800358), (49, 1469680), (56, 1285970), (70, 1028776), (80, 900179), (98, 734840), (112, 642985), (140, 514388), (196, 367420), (245, 293936), (280, 257194), (392, 183710), (490, 146968), (560, 128597), (784, 91855), (980, 73484), (1960, 36742), (3920, 18371)]