71657880

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3709}}^1$

素因数の和:3753

約数の個数: 128

約数和(自身を含む): 256435200

約数和(自身を除く): 184777320

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 56, 60, 69, 70, 84, 92, 105, 115, 120, 138, 140, 161, 168, 184, 210, 230, 276, 280, 322, 345, 420, 460, 483, 552, 644, 690, 805, 840, 920, 966, 1288, 1380, 1610, 1932, 2415, 2760, 3220, 3709, 3864, 4830, 6440, 7418, 9660, 11127, 14836, 18545, 19320, 22254, 25963, 29672, 37090, 44508, 51926, 55635, 74180, 77889, 85307, 89016, 103852, 111270, 129815, 148360, 155778, 170614, 207704, 222540, 255921, 259630, 311556, 341228, 389445, 426535, 445080, 511842, 519260, 597149, 623112, 682456, 778890, 853070, 1023684, 1038520, 1194298, 1279605, 1557780, 1706140, 1791447, 2047368, 2388596, 2559210, 2985745, 3115560, 3412280, 3582894, 4777192, 5118420, 5971490, 7165788, 8957235, 10236840, 11942980, 14331576, 17914470, 23885960, 35828940, 71657880]

約数ペア:

[(1, 71657880), (2, 35828940), (3, 23885960), (4, 17914470), (5, 14331576), (6, 11942980), (7, 10236840), (8, 8957235), (10, 7165788), (12, 5971490), (14, 5118420), (15, 4777192), (20, 3582894), (21, 3412280), (23, 3115560), (24, 2985745), (28, 2559210), (30, 2388596), (35, 2047368), (40, 1791447), (42, 1706140), (46, 1557780), (56, 1279605), (60, 1194298), (69, 1038520), (70, 1023684), (84, 853070), (92, 778890), (105, 682456), (115, 623112), (120, 597149), (138, 519260), (140, 511842), (161, 445080), (168, 426535), (184, 389445), (210, 341228), (230, 311556), (276, 259630), (280, 255921), (322, 222540), (345, 207704), (420, 170614), (460, 155778), (483, 148360), (552, 129815), (644, 111270), (690, 103852), (805, 89016), (840, 85307), (920, 77889), (966, 74180), (1288, 55635), (1380, 51926), (1610, 44508), (1932, 37090), (2415, 29672), (2760, 25963), (3220, 22254), (3709, 19320), (3864, 18545), (4830, 14836), (6440, 11127), (7418, 9660)]