30817980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{547}}^1$

素因数の和:875

約数の個数: 72

約数和(自身を含む): 93951312

約数和(自身を除く): 63133332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 313, 547, 626, 939, 1094, 1252, 1565, 1641, 1878, 2188, 2735, 2817, 3130, 3282, 3756, 4695, 4923, 5470, 5634, 6260, 6564, 8205, 9390, 9846, 10940, 11268, 14085, 16410, 18780, 19692, 24615, 28170, 32820, 49230, 56340, 98460, 171211, 342422, 513633, 684844, 856055, 1027266, 1540899, 1712110, 2054532, 2568165, 3081798, 3424220, 5136330, 6163596, 7704495, 10272660, 15408990, 30817980]

約数ペア:

[(1, 30817980), (2, 15408990), (3, 10272660), (4, 7704495), (5, 6163596), (6, 5136330), (9, 3424220), (10, 3081798), (12, 2568165), (15, 2054532), (18, 1712110), (20, 1540899), (30, 1027266), (36, 856055), (45, 684844), (60, 513633), (90, 342422), (180, 171211), (313, 98460), (547, 56340), (626, 49230), (939, 32820), (1094, 28170), (1252, 24615), (1565, 19692), (1641, 18780), (1878, 16410), (2188, 14085), (2735, 11268), (2817, 10940), (3130, 9846), (3282, 9390), (3756, 8205), (4695, 6564), (4923, 6260), (5470, 5634)]