612990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{139}}^1$

素因数の和:166

約数の個数: 72

約数和(自身を含む): 1867320

約数和(自身を除く): 1254330

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 49, 63, 70, 90, 98, 105, 126, 139, 147, 210, 245, 278, 294, 315, 417, 441, 490, 630, 695, 735, 834, 882, 973, 1251, 1390, 1470, 1946, 2085, 2205, 2502, 2919, 4170, 4410, 4865, 5838, 6255, 6811, 8757, 9730, 12510, 13622, 14595, 17514, 20433, 29190, 34055, 40866, 43785, 61299, 68110, 87570, 102165, 122598, 204330, 306495, 612990]

約数ペア:

[(1, 612990), (2, 306495), (3, 204330), (5, 122598), (6, 102165), (7, 87570), (9, 68110), (10, 61299), (14, 43785), (15, 40866), (18, 34055), (21, 29190), (30, 20433), (35, 17514), (42, 14595), (45, 13622), (49, 12510), (63, 9730), (70, 8757), (90, 6811), (98, 6255), (105, 5838), (126, 4865), (139, 4410), (147, 4170), (210, 2919), (245, 2502), (278, 2205), (294, 2085), (315, 1946), (417, 1470), (441, 1390), (490, 1251), (630, 973), (695, 882), (735, 834)]