72807420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7537}}^1$

素因数の和:7579

約数の個数: 96

約数和(自身を含む): 243145728

約数和(自身を除く): 170338308

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 60, 69, 70, 84, 92, 105, 115, 138, 140, 161, 210, 230, 276, 322, 345, 420, 460, 483, 644, 690, 805, 966, 1380, 1610, 1932, 2415, 3220, 4830, 7537, 9660, 15074, 22611, 30148, 37685, 45222, 52759, 75370, 90444, 105518, 113055, 150740, 158277, 173351, 211036, 226110, 263795, 316554, 346702, 452220, 520053, 527590, 633108, 693404, 791385, 866755, 1040106, 1055180, 1213457, 1582770, 1733510, 2080212, 2426914, 2600265, 3165540, 3467020, 3640371, 4853828, 5200530, 6067285, 7280742, 10401060, 12134570, 14561484, 18201855, 24269140, 36403710, 72807420]

約数ペア:

[(1, 72807420), (2, 36403710), (3, 24269140), (4, 18201855), (5, 14561484), (6, 12134570), (7, 10401060), (10, 7280742), (12, 6067285), (14, 5200530), (15, 4853828), (20, 3640371), (21, 3467020), (23, 3165540), (28, 2600265), (30, 2426914), (35, 2080212), (42, 1733510), (46, 1582770), (60, 1213457), (69, 1055180), (70, 1040106), (84, 866755), (92, 791385), (105, 693404), (115, 633108), (138, 527590), (140, 520053), (161, 452220), (210, 346702), (230, 316554), (276, 263795), (322, 226110), (345, 211036), (420, 173351), (460, 158277), (483, 150740), (644, 113055), (690, 105518), (805, 90444), (966, 75370), (1380, 52759), (1610, 45222), (1932, 37685), (2415, 30148), (3220, 22611), (4830, 15074), (7537, 9660)]