42780320

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:358

約数の個数: 96

約数和(自身を含む): 111767040

約数和(自身を除く): 68986720

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 109, 110, 160, 176, 218, 220, 223, 352, 436, 440, 446, 545, 872, 880, 892, 1090, 1115, 1199, 1744, 1760, 1784, 2180, 2230, 2398, 2453, 3488, 3568, 4360, 4460, 4796, 4906, 5995, 7136, 8720, 8920, 9592, 9812, 11990, 12265, 17440, 17840, 19184, 19624, 23980, 24307, 24530, 35680, 38368, 39248, 47960, 48614, 49060, 78496, 95920, 97228, 98120, 121535, 191840, 194456, 196240, 243070, 267377, 388912, 392480, 486140, 534754, 777824, 972280, 1069508, 1336885, 1944560, 2139016, 2673770, 3889120, 4278032, 5347540, 8556064, 10695080, 21390160, 42780320]

約数ペア:

[(1, 42780320), (2, 21390160), (4, 10695080), (5, 8556064), (8, 5347540), (10, 4278032), (11, 3889120), (16, 2673770), (20, 2139016), (22, 1944560), (32, 1336885), (40, 1069508), (44, 972280), (55, 777824), (80, 534754), (88, 486140), (109, 392480), (110, 388912), (160, 267377), (176, 243070), (218, 196240), (220, 194456), (223, 191840), (352, 121535), (436, 98120), (440, 97228), (446, 95920), (545, 78496), (872, 49060), (880, 48614), (892, 47960), (1090, 39248), (1115, 38368), (1199, 35680), (1744, 24530), (1760, 24307), (1784, 23980), (2180, 19624), (2230, 19184), (2398, 17840), (2453, 17440), (3488, 12265), (3568, 11990), (4360, 9812), (4460, 9592), (4796, 8920), (4906, 8720), (5995, 7136)]