2784576880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{89021}}^1$

素因数の和:89074

約数の個数: 80

約数和(自身を含む): 7153095744

約数和(自身を除く): 4368518864

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 391, 460, 680, 782, 920, 1360, 1564, 1840, 1955, 3128, 3910, 6256, 7820, 15640, 31280, 89021, 178042, 356084, 445105, 712168, 890210, 1424336, 1513357, 1780420, 2047483, 3026714, 3560840, 4094966, 6053428, 7121680, 7566785, 8189932, 10237415, 12106856, 15133570, 16379864, 20474830, 24213712, 30267140, 32759728, 34807211, 40949660, 60534280, 69614422, 81899320, 121068560, 139228844, 163798640, 174036055, 278457688, 348072110, 556915376, 696144220, 1392288440, 2784576880]

約数ペア:

[(1, 2784576880), (2, 1392288440), (4, 696144220), (5, 556915376), (8, 348072110), (10, 278457688), (16, 174036055), (17, 163798640), (20, 139228844), (23, 121068560), (34, 81899320), (40, 69614422), (46, 60534280), (68, 40949660), (80, 34807211), (85, 32759728), (92, 30267140), (115, 24213712), (136, 20474830), (170, 16379864), (184, 15133570), (230, 12106856), (272, 10237415), (340, 8189932), (368, 7566785), (391, 7121680), (460, 6053428), (680, 4094966), (782, 3560840), (920, 3026714), (1360, 2047483), (1564, 1780420), (1840, 1513357), (1955, 1424336), (3128, 890210), (3910, 712168), (6256, 445105), (7820, 356084), (15640, 178042), (31280, 89021)]