179995620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{61223}}^1$

素因数の和:61249

約数の個数: 72

約数和(自身を含む): 586281024

約数和(自身を除く): 406285404

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 61223, 122446, 183669, 244892, 306115, 367338, 428561, 612230, 734676, 857122, 918345, 1224460, 1285683, 1714244, 1836690, 2142805, 2571366, 2999927, 3673380, 4285610, 5142732, 5999854, 6428415, 8571220, 8999781, 11999708, 12856830, 14999635, 17999562, 25713660, 29999270, 35999124, 44998905, 59998540, 89997810, 179995620]

約数ペア:

[(1, 179995620), (2, 89997810), (3, 59998540), (4, 44998905), (5, 35999124), (6, 29999270), (7, 25713660), (10, 17999562), (12, 14999635), (14, 12856830), (15, 11999708), (20, 8999781), (21, 8571220), (28, 6428415), (30, 5999854), (35, 5142732), (42, 4285610), (49, 3673380), (60, 2999927), (70, 2571366), (84, 2142805), (98, 1836690), (105, 1714244), (140, 1285683), (147, 1224460), (196, 918345), (210, 857122), (245, 734676), (294, 612230), (420, 428561), (490, 367338), (588, 306115), (735, 244892), (980, 183669), (1470, 122446), (2940, 61223)]