56781972

素因数分解:

$2^2\times 3^4\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1$

素因数の和:120

約数の個数: 180

約数和(自身を含む): 172981116

約数和(自身を除く): 116199144

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 17, 18, 26, 27, 34, 36, 39, 51, 52, 54, 61, 68, 78, 81, 102, 108, 117, 122, 153, 156, 162, 169, 183, 204, 221, 234, 244, 306, 324, 338, 351, 366, 442, 459, 468, 507, 549, 612, 663, 676, 702, 732, 793, 884, 918, 1014, 1037, 1053, 1098, 1326, 1377, 1404, 1521, 1586, 1647, 1836, 1989, 2028, 2074, 2106, 2196, 2379, 2652, 2754, 2873, 3042, 3111, 3172, 3294, 3978, 4148, 4212, 4563, 4758, 4941, 5508, 5746, 5967, 6084, 6222, 6588, 7137, 7956, 8619, 9126, 9333, 9516, 9882, 10309, 11492, 11934, 12444, 13481, 13689, 14274, 17238, 17901, 18252, 18666, 19764, 20618, 21411, 23868, 25857, 26962, 27378, 27999, 28548, 30927, 34476, 35802, 37332, 40443, 41236, 42822, 51714, 53924, 54756, 55998, 61854, 64233, 71604, 77571, 80886, 83997, 85644, 92781, 103428, 111996, 121329, 123708, 128466, 155142, 161772, 167994, 175253, 185562, 232713, 242658, 256932, 278343, 310284, 335988, 350506, 363987, 371124, 465426, 485316, 525759, 556686, 701012, 727974, 835029, 930852, 1051518, 1091961, 1113372, 1455948, 1577277, 1670058, 2103036, 2183922, 3154554, 3340116, 4367844, 4731831, 6309108, 9463662, 14195493, 18927324, 28390986, 56781972]

約数ペア:

[(1, 56781972), (2, 28390986), (3, 18927324), (4, 14195493), (6, 9463662), (9, 6309108), (12, 4731831), (13, 4367844), (17, 3340116), (18, 3154554), (26, 2183922), (27, 2103036), (34, 1670058), (36, 1577277), (39, 1455948), (51, 1113372), (52, 1091961), (54, 1051518), (61, 930852), (68, 835029), (78, 727974), (81, 701012), (102, 556686), (108, 525759), (117, 485316), (122, 465426), (153, 371124), (156, 363987), (162, 350506), (169, 335988), (183, 310284), (204, 278343), (221, 256932), (234, 242658), (244, 232713), (306, 185562), (324, 175253), (338, 167994), (351, 161772), (366, 155142), (442, 128466), (459, 123708), (468, 121329), (507, 111996), (549, 103428), (612, 92781), (663, 85644), (676, 83997), (702, 80886), (732, 77571), (793, 71604), (884, 64233), (918, 61854), (1014, 55998), (1037, 54756), (1053, 53924), (1098, 51714), (1326, 42822), (1377, 41236), (1404, 40443), (1521, 37332), (1586, 35802), (1647, 34476), (1836, 30927), (1989, 28548), (2028, 27999), (2074, 27378), (2106, 26962), (2196, 25857), (2379, 23868), (2652, 21411), (2754, 20618), (2873, 19764), (3042, 18666), (3111, 18252), (3172, 17901), (3294, 17238), (3978, 14274), (4148, 13689), (4212, 13481), (4563, 12444), (4758, 11934), (4941, 11492), (5508, 10309), (5746, 9882), (5967, 9516), (6084, 9333), (6222, 9126), (6588, 8619), (7137, 7956)]