81273444

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:150

約数の個数: 144

約数和(自身を含む): 237834240

約数和(自身を除く): 156560796

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 31, 42, 46, 59, 62, 69, 84, 92, 93, 118, 124, 138, 161, 177, 186, 217, 236, 276, 322, 354, 372, 413, 434, 483, 529, 644, 651, 708, 713, 826, 868, 966, 1058, 1239, 1302, 1357, 1426, 1587, 1652, 1829, 1932, 2116, 2139, 2478, 2604, 2714, 2852, 3174, 3658, 3703, 4071, 4278, 4956, 4991, 5428, 5487, 6348, 7316, 7406, 8142, 8556, 9499, 9982, 10974, 11109, 12803, 14812, 14973, 16284, 16399, 18998, 19964, 21948, 22218, 25606, 28497, 29946, 31211, 32798, 37996, 38409, 42067, 44436, 49197, 51212, 56994, 59892, 62422, 65596, 76818, 84134, 93633, 98394, 113988, 114793, 124844, 126201, 153636, 168268, 187266, 196788, 218477, 229586, 252402, 294469, 344379, 374532, 436954, 459172, 504804, 588938, 655431, 688758, 873908, 883407, 967541, 1177876, 1310862, 1377516, 1766814, 1935082, 2621724, 2902623, 3533628, 3870164, 5805246, 6772787, 11610492, 13545574, 20318361, 27091148, 40636722, 81273444]

約数ペア:

[(1, 81273444), (2, 40636722), (3, 27091148), (4, 20318361), (6, 13545574), (7, 11610492), (12, 6772787), (14, 5805246), (21, 3870164), (23, 3533628), (28, 2902623), (31, 2621724), (42, 1935082), (46, 1766814), (59, 1377516), (62, 1310862), (69, 1177876), (84, 967541), (92, 883407), (93, 873908), (118, 688758), (124, 655431), (138, 588938), (161, 504804), (177, 459172), (186, 436954), (217, 374532), (236, 344379), (276, 294469), (322, 252402), (354, 229586), (372, 218477), (413, 196788), (434, 187266), (483, 168268), (529, 153636), (644, 126201), (651, 124844), (708, 114793), (713, 113988), (826, 98394), (868, 93633), (966, 84134), (1058, 76818), (1239, 65596), (1302, 62422), (1357, 59892), (1426, 56994), (1587, 51212), (1652, 49197), (1829, 44436), (1932, 42067), (2116, 38409), (2139, 37996), (2478, 32798), (2604, 31211), (2714, 29946), (2852, 28497), (3174, 25606), (3658, 22218), (3703, 21948), (4071, 19964), (4278, 18998), (4956, 16399), (4991, 16284), (5428, 14973), (5487, 14812), (6348, 12803), (7316, 11109), (7406, 10974), (8142, 9982), (8556, 9499)]