15645440

素因数分解:

$2^8\times 5^1\times {\mathrm{17}}^1\times {\mathrm{719}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 39735360

約数和(自身を除く): 24089920

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 544, 640, 680, 719, 1088, 1280, 1360, 1438, 2176, 2720, 2876, 3595, 4352, 5440, 5752, 7190, 10880, 11504, 12223, 14380, 21760, 23008, 24446, 28760, 46016, 48892, 57520, 61115, 92032, 97784, 115040, 122230, 184064, 195568, 230080, 244460, 391136, 460160, 488920, 782272, 920320, 977840, 1564544, 1955680, 3129088, 3911360, 7822720, 15645440]

約数ペア:

[(1, 15645440), (2, 7822720), (4, 3911360), (5, 3129088), (8, 1955680), (10, 1564544), (16, 977840), (17, 920320), (20, 782272), (32, 488920), (34, 460160), (40, 391136), (64, 244460), (68, 230080), (80, 195568), (85, 184064), (128, 122230), (136, 115040), (160, 97784), (170, 92032), (256, 61115), (272, 57520), (320, 48892), (340, 46016), (544, 28760), (640, 24446), (680, 23008), (719, 21760), (1088, 14380), (1280, 12223), (1360, 11504), (1438, 10880), (2176, 7190), (2720, 5752), (2876, 5440), (3595, 4352)]