89242740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6983}}^1$

素因数の和:7069

約数の個数: 72

約数和(自身を含む): 274555008

約数和(自身を除く): 185312268

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 6983, 12780, 13966, 20949, 27932, 34915, 41898, 62847, 69830, 83796, 104745, 125694, 139660, 209490, 251388, 314235, 418980, 495793, 628470, 991586, 1256940, 1487379, 1983172, 2478965, 2974758, 4462137, 4957930, 5949516, 7436895, 8924274, 9915860, 14873790, 17848548, 22310685, 29747580, 44621370, 89242740]

約数ペア:

[(1, 89242740), (2, 44621370), (3, 29747580), (4, 22310685), (5, 17848548), (6, 14873790), (9, 9915860), (10, 8924274), (12, 7436895), (15, 5949516), (18, 4957930), (20, 4462137), (30, 2974758), (36, 2478965), (45, 1983172), (60, 1487379), (71, 1256940), (90, 991586), (142, 628470), (180, 495793), (213, 418980), (284, 314235), (355, 251388), (426, 209490), (639, 139660), (710, 125694), (852, 104745), (1065, 83796), (1278, 69830), (1420, 62847), (2130, 41898), (2556, 34915), (3195, 27932), (4260, 20949), (6390, 13966), (6983, 12780)]