81563112

素因数分解:

$2^3\times 3^4\times {\mathrm{191}}^1\times {\mathrm{659}}^1$

素因数の和:868

約数の個数: 80

約数和(自身を含む): 229996800

約数和(自身を除く): 148433688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 191, 216, 324, 382, 573, 648, 659, 764, 1146, 1318, 1528, 1719, 1977, 2292, 2636, 3438, 3954, 4584, 5157, 5272, 5931, 6876, 7908, 10314, 11862, 13752, 15471, 15816, 17793, 20628, 23724, 30942, 35586, 41256, 47448, 53379, 61884, 71172, 106758, 123768, 125869, 142344, 213516, 251738, 377607, 427032, 503476, 755214, 1006952, 1132821, 1510428, 2265642, 3020856, 3398463, 4531284, 6796926, 9062568, 10195389, 13593852, 20390778, 27187704, 40781556, 81563112]

約数ペア:

[(1, 81563112), (2, 40781556), (3, 27187704), (4, 20390778), (6, 13593852), (8, 10195389), (9, 9062568), (12, 6796926), (18, 4531284), (24, 3398463), (27, 3020856), (36, 2265642), (54, 1510428), (72, 1132821), (81, 1006952), (108, 755214), (162, 503476), (191, 427032), (216, 377607), (324, 251738), (382, 213516), (573, 142344), (648, 125869), (659, 123768), (764, 106758), (1146, 71172), (1318, 61884), (1528, 53379), (1719, 47448), (1977, 41256), (2292, 35586), (2636, 30942), (3438, 23724), (3954, 20628), (4584, 17793), (5157, 15816), (5272, 15471), (5931, 13752), (6876, 11862), (7908, 10314)]