2780780340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{187637}}^1$

素因数の和:187681

約数の個数: 96

約数和(自身を含む): 8826491520

約数和(自身を除く): 6045711180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 190, 195, 228, 247, 260, 285, 380, 390, 494, 570, 741, 780, 988, 1140, 1235, 1482, 2470, 2964, 3705, 4940, 7410, 14820, 187637, 375274, 562911, 750548, 938185, 1125822, 1876370, 2251644, 2439281, 2814555, 3565103, 3752740, 4878562, 5629110, 7130206, 7317843, 9757124, 10695309, 11258220, 12196405, 14260412, 14635686, 17825515, 21390618, 24392810, 29271372, 35651030, 36589215, 42781236, 46346339, 48785620, 53476545, 71302060, 73178430, 92692678, 106953090, 139039017, 146356860, 185385356, 213906180, 231731695, 278078034, 463463390, 556156068, 695195085, 926926780, 1390390170, 2780780340]

約数ペア:

[(1, 2780780340), (2, 1390390170), (3, 926926780), (4, 695195085), (5, 556156068), (6, 463463390), (10, 278078034), (12, 231731695), (13, 213906180), (15, 185385356), (19, 146356860), (20, 139039017), (26, 106953090), (30, 92692678), (38, 73178430), (39, 71302060), (52, 53476545), (57, 48785620), (60, 46346339), (65, 42781236), (76, 36589215), (78, 35651030), (95, 29271372), (114, 24392810), (130, 21390618), (156, 17825515), (190, 14635686), (195, 14260412), (228, 12196405), (247, 11258220), (260, 10695309), (285, 9757124), (380, 7317843), (390, 7130206), (494, 5629110), (570, 4878562), (741, 3752740), (780, 3565103), (988, 2814555), (1140, 2439281), (1235, 2251644), (1482, 1876370), (2470, 1125822), (2964, 938185), (3705, 750548), (4940, 562911), (7410, 375274), (14820, 187637)]