81626148

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1\times {\mathrm{239}}^1$

素因数の和:481

約数の個数: 72

約数和(自身を含む): 212284800

約数和(自身を除く): 130658652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 179, 212, 239, 318, 358, 477, 478, 537, 636, 716, 717, 954, 956, 1074, 1434, 1611, 1908, 2148, 2151, 2868, 3222, 4302, 6444, 8604, 9487, 12667, 18974, 25334, 28461, 37948, 38001, 42781, 50668, 56922, 76002, 85383, 85562, 113844, 114003, 128343, 152004, 170766, 171124, 228006, 256686, 341532, 385029, 456012, 513372, 770058, 1540116, 2267393, 4534786, 6802179, 9069572, 13604358, 20406537, 27208716, 40813074, 81626148]

約数ペア:

[(1, 81626148), (2, 40813074), (3, 27208716), (4, 20406537), (6, 13604358), (9, 9069572), (12, 6802179), (18, 4534786), (36, 2267393), (53, 1540116), (106, 770058), (159, 513372), (179, 456012), (212, 385029), (239, 341532), (318, 256686), (358, 228006), (477, 171124), (478, 170766), (537, 152004), (636, 128343), (716, 114003), (717, 113844), (954, 85562), (956, 85383), (1074, 76002), (1434, 56922), (1611, 50668), (1908, 42781), (2148, 38001), (2151, 37948), (2868, 28461), (3222, 25334), (4302, 18974), (6444, 12667), (8604, 9487)]