127978830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{203141}}^1$

素因数の和:203161

約数の個数: 48

約数和(自身を含む): 380281824

約数和(自身を除く): 252302994

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 203141, 406282, 609423, 1015705, 1218846, 1421987, 1828269, 2031410, 2843974, 3047115, 3656538, 4265961, 6094230, 7109935, 8531922, 9141345, 12797883, 14219870, 18282690, 21329805, 25595766, 42659610, 63989415, 127978830]

約数ペア:

[(1, 127978830), (2, 63989415), (3, 42659610), (5, 25595766), (6, 21329805), (7, 18282690), (9, 14219870), (10, 12797883), (14, 9141345), (15, 8531922), (18, 7109935), (21, 6094230), (30, 4265961), (35, 3656538), (42, 3047115), (45, 2843974), (63, 2031410), (70, 1828269), (90, 1421987), (105, 1218846), (126, 1015705), (210, 609423), (315, 406282), (630, 203141)]