256876290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{15263}}^1$

素因数の和:15304

約数の個数: 96

約数和(自身を含む): 771503616

約数和(自身を除く): 514627326

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 17, 18, 22, 30, 33, 34, 45, 51, 55, 66, 85, 90, 99, 102, 110, 153, 165, 170, 187, 198, 255, 306, 330, 374, 495, 510, 561, 765, 935, 990, 1122, 1530, 1683, 1870, 2805, 3366, 5610, 8415, 15263, 16830, 30526, 45789, 76315, 91578, 137367, 152630, 167893, 228945, 259471, 274734, 335786, 457890, 503679, 518942, 686835, 778413, 839465, 1007358, 1297355, 1373670, 1511037, 1556826, 1678930, 2335239, 2518395, 2594710, 2854181, 3022074, 3892065, 4670478, 5036790, 5708362, 7555185, 7784130, 8562543, 11676195, 14270905, 15110370, 17125086, 23352390, 25687629, 28541810, 42812715, 51375258, 85625430, 128438145, 256876290]

約数ペア:

[(1, 256876290), (2, 128438145), (3, 85625430), (5, 51375258), (6, 42812715), (9, 28541810), (10, 25687629), (11, 23352390), (15, 17125086), (17, 15110370), (18, 14270905), (22, 11676195), (30, 8562543), (33, 7784130), (34, 7555185), (45, 5708362), (51, 5036790), (55, 4670478), (66, 3892065), (85, 3022074), (90, 2854181), (99, 2594710), (102, 2518395), (110, 2335239), (153, 1678930), (165, 1556826), (170, 1511037), (187, 1373670), (198, 1297355), (255, 1007358), (306, 839465), (330, 778413), (374, 686835), (495, 518942), (510, 503679), (561, 457890), (765, 335786), (935, 274734), (990, 259471), (1122, 228945), (1530, 167893), (1683, 152630), (1870, 137367), (2805, 91578), (3366, 76315), (5610, 45789), (8415, 30526), (15263, 16830)]