90417420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1423}}^1$

素因数の和:1791

約数の個数: 72

約数和(自身を含む): 275236416

約数和(自身を除く): 184818996

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 353, 706, 1059, 1412, 1423, 1765, 2118, 2846, 3177, 3530, 4236, 4269, 5295, 5692, 6354, 7060, 7115, 8538, 10590, 12708, 12807, 14230, 15885, 17076, 21180, 21345, 25614, 28460, 31770, 42690, 51228, 63540, 64035, 85380, 128070, 256140, 502319, 1004638, 1506957, 2009276, 2511595, 3013914, 4520871, 5023190, 6027828, 7534785, 9041742, 10046380, 15069570, 18083484, 22604355, 30139140, 45208710, 90417420]

約数ペア:

[(1, 90417420), (2, 45208710), (3, 30139140), (4, 22604355), (5, 18083484), (6, 15069570), (9, 10046380), (10, 9041742), (12, 7534785), (15, 6027828), (18, 5023190), (20, 4520871), (30, 3013914), (36, 2511595), (45, 2009276), (60, 1506957), (90, 1004638), (180, 502319), (353, 256140), (706, 128070), (1059, 85380), (1412, 64035), (1423, 63540), (1765, 51228), (2118, 42690), (2846, 31770), (3177, 28460), (3530, 25614), (4236, 21345), (4269, 21180), (5295, 17076), (5692, 15885), (6354, 14230), (7060, 12807), (7115, 12708), (8538, 10590)]