2782710

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{631}}^1$

素因数の和:658

約数の個数: 72

約数和(自身を含む): 8429616

約数和(自身を除く): 5646906

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, 441, 490, 630, 631, 735, 882, 1262, 1470, 1893, 2205, 3155, 3786, 4410, 4417, 5679, 6310, 8834, 9465, 11358, 13251, 18930, 22085, 26502, 28395, 30919, 39753, 44170, 56790, 61838, 66255, 79506, 92757, 132510, 154595, 185514, 198765, 278271, 309190, 397530, 463785, 556542, 927570, 1391355, 2782710]

約数ペア:

[(1, 2782710), (2, 1391355), (3, 927570), (5, 556542), (6, 463785), (7, 397530), (9, 309190), (10, 278271), (14, 198765), (15, 185514), (18, 154595), (21, 132510), (30, 92757), (35, 79506), (42, 66255), (45, 61838), (49, 56790), (63, 44170), (70, 39753), (90, 30919), (98, 28395), (105, 26502), (126, 22085), (147, 18930), (210, 13251), (245, 11358), (294, 9465), (315, 8834), (441, 6310), (490, 5679), (630, 4417), (631, 4410), (735, 3786), (882, 3155), (1262, 2205), (1470, 1893)]