28641210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:180

約数の個数: 128

約数和(自身を含む): 80510976

約数和(自身を除く): 51869766

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 31, 39, 46, 62, 65, 69, 78, 93, 103, 115, 130, 138, 155, 186, 195, 206, 230, 299, 309, 310, 345, 390, 403, 465, 515, 598, 618, 690, 713, 806, 897, 930, 1030, 1209, 1339, 1426, 1495, 1545, 1794, 2015, 2139, 2369, 2418, 2678, 2990, 3090, 3193, 3565, 4017, 4030, 4278, 4485, 4738, 6045, 6386, 6695, 7107, 7130, 8034, 8970, 9269, 9579, 10695, 11845, 12090, 13390, 14214, 15965, 18538, 19158, 20085, 21390, 23690, 27807, 30797, 31930, 35535, 40170, 41509, 46345, 47895, 55614, 61594, 71070, 73439, 83018, 92391, 92690, 95790, 124527, 139035, 146878, 153985, 184782, 207545, 220317, 249054, 278070, 307970, 367195, 415090, 440634, 461955, 622635, 734390, 923910, 954707, 1101585, 1245270, 1909414, 2203170, 2864121, 4773535, 5728242, 9547070, 14320605, 28641210]

約数ペア:

[(1, 28641210), (2, 14320605), (3, 9547070), (5, 5728242), (6, 4773535), (10, 2864121), (13, 2203170), (15, 1909414), (23, 1245270), (26, 1101585), (30, 954707), (31, 923910), (39, 734390), (46, 622635), (62, 461955), (65, 440634), (69, 415090), (78, 367195), (93, 307970), (103, 278070), (115, 249054), (130, 220317), (138, 207545), (155, 184782), (186, 153985), (195, 146878), (206, 139035), (230, 124527), (299, 95790), (309, 92690), (310, 92391), (345, 83018), (390, 73439), (403, 71070), (465, 61594), (515, 55614), (598, 47895), (618, 46345), (690, 41509), (713, 40170), (806, 35535), (897, 31930), (930, 30797), (1030, 27807), (1209, 23690), (1339, 21390), (1426, 20085), (1495, 19158), (1545, 18538), (1794, 15965), (2015, 14214), (2139, 13390), (2369, 12090), (2418, 11845), (2678, 10695), (2990, 9579), (3090, 9269), (3193, 8970), (3565, 8034), (4017, 7130), (4030, 7107), (4278, 6695), (4485, 6386), (4738, 6045)]