78980436

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 228953088

約数和(自身を除く): 149972652

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 23, 31, 34, 36, 46, 51, 62, 68, 69, 92, 93, 102, 124, 138, 153, 181, 186, 204, 207, 276, 279, 306, 362, 372, 391, 414, 527, 543, 558, 612, 713, 724, 782, 828, 1054, 1086, 1116, 1173, 1426, 1564, 1581, 1629, 2108, 2139, 2172, 2346, 2852, 3077, 3162, 3258, 3519, 4163, 4278, 4692, 4743, 5611, 6154, 6324, 6417, 6516, 7038, 8326, 8556, 9231, 9486, 11222, 12121, 12308, 12489, 12834, 14076, 16652, 16833, 18462, 18972, 22444, 24242, 24978, 25668, 27693, 33666, 36363, 36924, 37467, 48484, 49956, 50499, 55386, 67332, 70771, 72726, 74934, 95387, 100998, 109089, 110772, 129053, 141542, 145452, 149868, 190774, 201996, 212313, 218178, 258106, 283084, 286161, 381548, 387159, 424626, 436356, 516212, 572322, 636939, 774318, 849252, 858483, 1144644, 1161477, 1273878, 1548636, 1716966, 2193901, 2322954, 2547756, 3433932, 4387802, 4645908, 6581703, 8775604, 13163406, 19745109, 26326812, 39490218, 78980436]

約数ペア:

[(1, 78980436), (2, 39490218), (3, 26326812), (4, 19745109), (6, 13163406), (9, 8775604), (12, 6581703), (17, 4645908), (18, 4387802), (23, 3433932), (31, 2547756), (34, 2322954), (36, 2193901), (46, 1716966), (51, 1548636), (62, 1273878), (68, 1161477), (69, 1144644), (92, 858483), (93, 849252), (102, 774318), (124, 636939), (138, 572322), (153, 516212), (181, 436356), (186, 424626), (204, 387159), (207, 381548), (276, 286161), (279, 283084), (306, 258106), (362, 218178), (372, 212313), (391, 201996), (414, 190774), (527, 149868), (543, 145452), (558, 141542), (612, 129053), (713, 110772), (724, 109089), (782, 100998), (828, 95387), (1054, 74934), (1086, 72726), (1116, 70771), (1173, 67332), (1426, 55386), (1564, 50499), (1581, 49956), (1629, 48484), (2108, 37467), (2139, 36924), (2172, 36363), (2346, 33666), (2852, 27693), (3077, 25668), (3162, 24978), (3258, 24242), (3519, 22444), (4163, 18972), (4278, 18462), (4692, 16833), (4743, 16652), (5611, 14076), (6154, 12834), (6324, 12489), (6417, 12308), (6516, 12121), (7038, 11222), (8326, 9486), (8556, 9231)]