281716920

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{260849}}^1$

素因数の和:260869

約数の個数: 64

約数和(自身を含む): 939060000

約数和(自身を除く): 657343080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 260849, 521698, 782547, 1043396, 1304245, 1565094, 2086792, 2347641, 2608490, 3130188, 3912735, 4695282, 5216980, 6260376, 7042923, 7825470, 9390564, 10433960, 11738205, 14085846, 15650940, 18781128, 23476410, 28171692, 31301880, 35214615, 46952820, 56343384, 70429230, 93905640, 140858460, 281716920]

約数ペア:

[(1, 281716920), (2, 140858460), (3, 93905640), (4, 70429230), (5, 56343384), (6, 46952820), (8, 35214615), (9, 31301880), (10, 28171692), (12, 23476410), (15, 18781128), (18, 15650940), (20, 14085846), (24, 11738205), (27, 10433960), (30, 9390564), (36, 7825470), (40, 7042923), (45, 6260376), (54, 5216980), (60, 4695282), (72, 3912735), (90, 3130188), (108, 2608490), (120, 2347641), (135, 2086792), (180, 1565094), (216, 1304245), (270, 1043396), (360, 782547), (540, 521698), (1080, 260849)]