1669980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2141}}^1$

素因数の和:2166

約数の個数: 48

約数和(自身を含む): 5037984

約数和(自身を除く): 3368004

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 2141, 4282, 6423, 8564, 10705, 12846, 21410, 25692, 27833, 32115, 42820, 55666, 64230, 83499, 111332, 128460, 139165, 166998, 278330, 333996, 417495, 556660, 834990, 1669980]

約数ペア:

[(1, 1669980), (2, 834990), (3, 556660), (4, 417495), (5, 333996), (6, 278330), (10, 166998), (12, 139165), (13, 128460), (15, 111332), (20, 83499), (26, 64230), (30, 55666), (39, 42820), (52, 32115), (60, 27833), (65, 25692), (78, 21410), (130, 12846), (156, 10705), (195, 8564), (260, 6423), (390, 4282), (780, 2141)]