26720190

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{83}}^1$

素因数の和:183

約数の個数: 144

約数和(自身を含む): 82909008

約数和(自身を除く): 56188818

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 73, 83, 90, 98, 105, 126, 146, 147, 166, 210, 219, 245, 249, 294, 315, 365, 415, 438, 441, 490, 498, 511, 581, 630, 657, 730, 735, 747, 830, 882, 1022, 1095, 1162, 1245, 1314, 1470, 1494, 1533, 1743, 2190, 2205, 2490, 2555, 2905, 3066, 3285, 3486, 3577, 3735, 4067, 4410, 4599, 5110, 5229, 5810, 6059, 6570, 7154, 7470, 7665, 8134, 8715, 9198, 10458, 10731, 12118, 12201, 15330, 17430, 17885, 18177, 20335, 21462, 22995, 24402, 26145, 30295, 32193, 35770, 36354, 36603, 40670, 42413, 45990, 52290, 53655, 54531, 60590, 61005, 64386, 73206, 84826, 90885, 107310, 109062, 122010, 127239, 160965, 181770, 183015, 212065, 254478, 272655, 296891, 321930, 366030, 381717, 424130, 545310, 593782, 636195, 763434, 890673, 1272390, 1484455, 1781346, 1908585, 2672019, 2968910, 3817170, 4453365, 5344038, 8906730, 13360095, 26720190]

約数ペア:

[(1, 26720190), (2, 13360095), (3, 8906730), (5, 5344038), (6, 4453365), (7, 3817170), (9, 2968910), (10, 2672019), (14, 1908585), (15, 1781346), (18, 1484455), (21, 1272390), (30, 890673), (35, 763434), (42, 636195), (45, 593782), (49, 545310), (63, 424130), (70, 381717), (73, 366030), (83, 321930), (90, 296891), (98, 272655), (105, 254478), (126, 212065), (146, 183015), (147, 181770), (166, 160965), (210, 127239), (219, 122010), (245, 109062), (249, 107310), (294, 90885), (315, 84826), (365, 73206), (415, 64386), (438, 61005), (441, 60590), (490, 54531), (498, 53655), (511, 52290), (581, 45990), (630, 42413), (657, 40670), (730, 36603), (735, 36354), (747, 35770), (830, 32193), (882, 30295), (1022, 26145), (1095, 24402), (1162, 22995), (1245, 21462), (1314, 20335), (1470, 18177), (1494, 17885), (1533, 17430), (1743, 15330), (2190, 12201), (2205, 12118), (2490, 10731), (2555, 10458), (2905, 9198), (3066, 8715), (3285, 8134), (3486, 7665), (3577, 7470), (3735, 7154), (4067, 6570), (4410, 6059), (4599, 5810), (5110, 5229)]