218898540

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{173729}}^1$

素因数の和:173751

約数の個数: 72

約数和(自身を含む): 758852640

約数和(自身を除く): 539954100

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 173729, 347458, 521187, 694916, 868645, 1042374, 1216103, 1563561, 1737290, 2084748, 2432206, 2605935, 3127122, 3474580, 3648309, 4864412, 5211870, 6080515, 6254244, 7296618, 7817805, 10423740, 10944927, 12161030, 14593236, 15635610, 18241545, 21889854, 24322060, 31271220, 36483090, 43779708, 54724635, 72966180, 109449270, 218898540]

約数ペア:

[(1, 218898540), (2, 109449270), (3, 72966180), (4, 54724635), (5, 43779708), (6, 36483090), (7, 31271220), (9, 24322060), (10, 21889854), (12, 18241545), (14, 15635610), (15, 14593236), (18, 12161030), (20, 10944927), (21, 10423740), (28, 7817805), (30, 7296618), (35, 6254244), (36, 6080515), (42, 5211870), (45, 4864412), (60, 3648309), (63, 3474580), (70, 3127122), (84, 2605935), (90, 2432206), (105, 2084748), (126, 1737290), (140, 1563561), (180, 1216103), (210, 1042374), (252, 868645), (315, 694916), (420, 521187), (630, 347458), (1260, 173729)]