123423560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{3343}}^1$

素因数の和:3438

約数の個数: 64

約数和(自身を含む): 303367680

約数和(自身を除く): 179944120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 142, 260, 284, 355, 520, 568, 710, 923, 1420, 1846, 2840, 3343, 3692, 4615, 6686, 7384, 9230, 13372, 16715, 18460, 26744, 33430, 36920, 43459, 66860, 86918, 133720, 173836, 217295, 237353, 347672, 434590, 474706, 869180, 949412, 1186765, 1738360, 1898824, 2373530, 3085589, 4747060, 6171178, 9494120, 12342356, 15427945, 24684712, 30855890, 61711780, 123423560]

約数ペア:

[(1, 123423560), (2, 61711780), (4, 30855890), (5, 24684712), (8, 15427945), (10, 12342356), (13, 9494120), (20, 6171178), (26, 4747060), (40, 3085589), (52, 2373530), (65, 1898824), (71, 1738360), (104, 1186765), (130, 949412), (142, 869180), (260, 474706), (284, 434590), (355, 347672), (520, 237353), (568, 217295), (710, 173836), (923, 133720), (1420, 86918), (1846, 66860), (2840, 43459), (3343, 36920), (3692, 33430), (4615, 26744), (6686, 18460), (7384, 16715), (9230, 13372)]