81278424

素因数分解:

$2^3\times 3^3\times {\mathrm{571}}^1\times {\mathrm{659}}^1$

素因数の和:1245

約数の個数: 64

約数和(自身を含む): 226512000

約数和(自身を除く): 145233576

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 571, 659, 1142, 1318, 1713, 1977, 2284, 2636, 3426, 3954, 4568, 5139, 5272, 5931, 6852, 7908, 10278, 11862, 13704, 15417, 15816, 17793, 20556, 23724, 30834, 35586, 41112, 47448, 61668, 71172, 123336, 142344, 376289, 752578, 1128867, 1505156, 2257734, 3010312, 3386601, 4515468, 6773202, 9030936, 10159803, 13546404, 20319606, 27092808, 40639212, 81278424]

約数ペア:

[(1, 81278424), (2, 40639212), (3, 27092808), (4, 20319606), (6, 13546404), (8, 10159803), (9, 9030936), (12, 6773202), (18, 4515468), (24, 3386601), (27, 3010312), (36, 2257734), (54, 1505156), (72, 1128867), (108, 752578), (216, 376289), (571, 142344), (659, 123336), (1142, 71172), (1318, 61668), (1713, 47448), (1977, 41112), (2284, 35586), (2636, 30834), (3426, 23724), (3954, 20556), (4568, 17793), (5139, 15816), (5272, 15417), (5931, 13704), (6852, 11862), (7908, 10278)]