72457280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{4621}}^1$

素因数の和:4652

約数の個数: 84

約数和(自身を含む): 200751948

約数和(自身を除く): 128294668

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 980, 1120, 1568, 1960, 2240, 3136, 3920, 4621, 7840, 9242, 15680, 18484, 23105, 32347, 36968, 46210, 64694, 73936, 92420, 129388, 147872, 161735, 184840, 226429, 258776, 295744, 323470, 369680, 452858, 517552, 646940, 739360, 905716, 1035104, 1132145, 1293880, 1478720, 1811432, 2070208, 2264290, 2587760, 3622864, 4528580, 5175520, 7245728, 9057160, 10351040, 14491456, 18114320, 36228640, 72457280]

約数ペア:

[(1, 72457280), (2, 36228640), (4, 18114320), (5, 14491456), (7, 10351040), (8, 9057160), (10, 7245728), (14, 5175520), (16, 4528580), (20, 3622864), (28, 2587760), (32, 2264290), (35, 2070208), (40, 1811432), (49, 1478720), (56, 1293880), (64, 1132145), (70, 1035104), (80, 905716), (98, 739360), (112, 646940), (140, 517552), (160, 452858), (196, 369680), (224, 323470), (245, 295744), (280, 258776), (320, 226429), (392, 184840), (448, 161735), (490, 147872), (560, 129388), (784, 92420), (980, 73936), (1120, 64694), (1568, 46210), (1960, 36968), (2240, 32347), (3136, 23105), (3920, 18484), (4621, 15680), (7840, 9242)]