87128928

素因数分解:

$2^5\times 3^2\times {\mathrm{71}}^1\times {\mathrm{4261}}^1$

素因数の和:4348

約数の個数: 72

約数和(自身を含む): 251321616

約数和(自身を除く): 164192688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 71, 72, 96, 142, 144, 213, 284, 288, 426, 568, 639, 852, 1136, 1278, 1704, 2272, 2556, 3408, 4261, 5112, 6816, 8522, 10224, 12783, 17044, 20448, 25566, 34088, 38349, 51132, 68176, 76698, 102264, 136352, 153396, 204528, 302531, 306792, 409056, 605062, 613584, 907593, 1210124, 1227168, 1815186, 2420248, 2722779, 3630372, 4840496, 5445558, 7260744, 9680992, 10891116, 14521488, 21782232, 29042976, 43564464, 87128928]

約数ペア:

[(1, 87128928), (2, 43564464), (3, 29042976), (4, 21782232), (6, 14521488), (8, 10891116), (9, 9680992), (12, 7260744), (16, 5445558), (18, 4840496), (24, 3630372), (32, 2722779), (36, 2420248), (48, 1815186), (71, 1227168), (72, 1210124), (96, 907593), (142, 613584), (144, 605062), (213, 409056), (284, 306792), (288, 302531), (426, 204528), (568, 153396), (639, 136352), (852, 102264), (1136, 76698), (1278, 68176), (1704, 51132), (2272, 38349), (2556, 34088), (3408, 25566), (4261, 20448), (5112, 17044), (6816, 12783), (8522, 10224)]