1715490

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{389}}^1$

素因数の和:416

約数の個数: 72

約数和(自身を含む): 5201820

約数和(自身を除く): 3486330

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, 147, 210, 245, 294, 315, 389, 441, 490, 630, 735, 778, 882, 1167, 1470, 1945, 2205, 2334, 2723, 3501, 3890, 4410, 5446, 5835, 7002, 8169, 11670, 13615, 16338, 17505, 19061, 24507, 27230, 35010, 38122, 40845, 49014, 57183, 81690, 95305, 114366, 122535, 171549, 190610, 245070, 285915, 343098, 571830, 857745, 1715490]

約数ペア:

[(1, 1715490), (2, 857745), (3, 571830), (5, 343098), (6, 285915), (7, 245070), (9, 190610), (10, 171549), (14, 122535), (15, 114366), (18, 95305), (21, 81690), (30, 57183), (35, 49014), (42, 40845), (45, 38122), (49, 35010), (63, 27230), (70, 24507), (90, 19061), (98, 17505), (105, 16338), (126, 13615), (147, 11670), (210, 8169), (245, 7002), (294, 5835), (315, 5446), (389, 4410), (441, 3890), (490, 3501), (630, 2723), (735, 2334), (778, 2205), (882, 1945), (1167, 1470)]