81408912

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{461}}^1$

素因数の和:768

約数の個数: 80

約数和(自身を含む): 227777088

約数和(自身を除く): 146368176

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 283, 312, 461, 566, 624, 849, 922, 1132, 1383, 1698, 1844, 2264, 2766, 3396, 3679, 3688, 4528, 5532, 5993, 6792, 7358, 7376, 11037, 11064, 11986, 13584, 14716, 17979, 22074, 22128, 23972, 29432, 35958, 44148, 47944, 58864, 71916, 88296, 95888, 130463, 143832, 176592, 260926, 287664, 391389, 521852, 782778, 1043704, 1565556, 1696019, 2087408, 3131112, 3392038, 5088057, 6262224, 6784076, 10176114, 13568152, 20352228, 27136304, 40704456, 81408912]

約数ペア:

[(1, 81408912), (2, 40704456), (3, 27136304), (4, 20352228), (6, 13568152), (8, 10176114), (12, 6784076), (13, 6262224), (16, 5088057), (24, 3392038), (26, 3131112), (39, 2087408), (48, 1696019), (52, 1565556), (78, 1043704), (104, 782778), (156, 521852), (208, 391389), (283, 287664), (312, 260926), (461, 176592), (566, 143832), (624, 130463), (849, 95888), (922, 88296), (1132, 71916), (1383, 58864), (1698, 47944), (1844, 44148), (2264, 35958), (2766, 29432), (3396, 23972), (3679, 22128), (3688, 22074), (4528, 17979), (5532, 14716), (5993, 13584), (6792, 11986), (7358, 11064), (7376, 11037)]