251301180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{1619}}^1$

素因数の和:1843

約数の個数: 96

約数和(自身を含む): 762048000

約数和(自身を除く): 510746820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 199, 260, 390, 398, 597, 780, 796, 995, 1194, 1619, 1990, 2388, 2587, 2985, 3238, 3980, 4857, 5174, 5970, 6476, 7761, 8095, 9714, 10348, 11940, 12935, 15522, 16190, 19428, 21047, 24285, 25870, 31044, 32380, 38805, 42094, 48570, 51740, 63141, 77610, 84188, 97140, 105235, 126282, 155220, 210470, 252564, 315705, 322181, 420940, 631410, 644362, 966543, 1262820, 1288724, 1610905, 1933086, 3221810, 3866172, 4188353, 4832715, 6443620, 8376706, 9665430, 12565059, 16753412, 19330860, 20941765, 25130118, 41883530, 50260236, 62825295, 83767060, 125650590, 251301180]

約数ペア:

[(1, 251301180), (2, 125650590), (3, 83767060), (4, 62825295), (5, 50260236), (6, 41883530), (10, 25130118), (12, 20941765), (13, 19330860), (15, 16753412), (20, 12565059), (26, 9665430), (30, 8376706), (39, 6443620), (52, 4832715), (60, 4188353), (65, 3866172), (78, 3221810), (130, 1933086), (156, 1610905), (195, 1288724), (199, 1262820), (260, 966543), (390, 644362), (398, 631410), (597, 420940), (780, 322181), (796, 315705), (995, 252564), (1194, 210470), (1619, 155220), (1990, 126282), (2388, 105235), (2587, 97140), (2985, 84188), (3238, 77610), (3980, 63141), (4857, 51740), (5174, 48570), (5970, 42094), (6476, 38805), (7761, 32380), (8095, 31044), (9714, 25870), (10348, 24285), (11940, 21047), (12935, 19428), (15522, 16190)]