1991238090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1019}}^1\times {\mathrm{1229}}^1$

素因数の和:2311

約数の個数: 64

約数和(自身を含む): 4877884800

約数和(自身を除く): 2886646710

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 106, 159, 265, 318, 530, 795, 1019, 1229, 1590, 2038, 2458, 3057, 3687, 5095, 6114, 6145, 7374, 10190, 12290, 15285, 18435, 30570, 36870, 54007, 65137, 108014, 130274, 162021, 195411, 270035, 324042, 325685, 390822, 540070, 651370, 810105, 977055, 1252351, 1620210, 1954110, 2504702, 3757053, 6261755, 7514106, 12523510, 18785265, 37570530, 66374603, 132749206, 199123809, 331873015, 398247618, 663746030, 995619045, 1991238090]

約数ペア:

[(1, 1991238090), (2, 995619045), (3, 663746030), (5, 398247618), (6, 331873015), (10, 199123809), (15, 132749206), (30, 66374603), (53, 37570530), (106, 18785265), (159, 12523510), (265, 7514106), (318, 6261755), (530, 3757053), (795, 2504702), (1019, 1954110), (1229, 1620210), (1590, 1252351), (2038, 977055), (2458, 810105), (3057, 651370), (3687, 540070), (5095, 390822), (6114, 325685), (6145, 324042), (7374, 270035), (10190, 195411), (12290, 162021), (15285, 130274), (18435, 108014), (30570, 65137), (36870, 54007)]