878150739680

素因数分解:

$2^5\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1289}}^1\times {\mathrm{6581}}^1$

素因数の和:8532

約数の個数: 96

約数和(自身を含む): 2079765616320

約数和(自身を除く): 1201614876640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 647, 1289, 1294, 2578, 2588, 3235, 5156, 5176, 6445, 6470, 6581, 10312, 10352, 12890, 12940, 13162, 20624, 20704, 25780, 25880, 26324, 32905, 41248, 51560, 51760, 52648, 65810, 103120, 103520, 105296, 131620, 206240, 210592, 263240, 526480, 833983, 1052960, 1667966, 3335932, 4169915, 4257907, 6671864, 8339830, 8482909, 8515814, 13343728, 16679660, 16965818, 17031628, 21289535, 26687456, 33359320, 33931636, 34063256, 42414545, 42579070, 66718640, 67863272, 68126512, 84829090, 85158140, 133437280, 135726544, 136253024, 169658180, 170316280, 271453088, 339316360, 340632560, 678632720, 681265120, 1357265440, 5488442123, 10976884246, 21953768492, 27442210615, 43907536984, 54884421230, 87815073968, 109768842460, 175630147936, 219537684920, 439075369840, 878150739680]

約数ペア:

[(1, 878150739680), (2, 439075369840), (4, 219537684920), (5, 175630147936), (8, 109768842460), (10, 87815073968), (16, 54884421230), (20, 43907536984), (32, 27442210615), (40, 21953768492), (80, 10976884246), (160, 5488442123), (647, 1357265440), (1289, 681265120), (1294, 678632720), (2578, 340632560), (2588, 339316360), (3235, 271453088), (5156, 170316280), (5176, 169658180), (6445, 136253024), (6470, 135726544), (6581, 133437280), (10312, 85158140), (10352, 84829090), (12890, 68126512), (12940, 67863272), (13162, 66718640), (20624, 42579070), (20704, 42414545), (25780, 34063256), (25880, 33931636), (26324, 33359320), (32905, 26687456), (41248, 21289535), (51560, 17031628), (51760, 16965818), (52648, 16679660), (65810, 13343728), (103120, 8515814), (103520, 8482909), (105296, 8339830), (131620, 6671864), (206240, 4257907), (210592, 4169915), (263240, 3335932), (526480, 1667966), (833983, 1052960)]