157020427720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4252991}}^1$

素因数の和:4253086

約数の個数: 64

約数和(自身を含む): 385831434240

約数和(自身を除く): 228811006520

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, 3692, 4615, 7384, 9230, 18460, 36920, 4252991, 8505982, 17011964, 21264955, 34023928, 42529910, 55288883, 85059820, 110577766, 170119640, 221155532, 276444415, 301962361, 442311064, 552888830, 603924722, 1105777660, 1207849444, 1509811805, 2211555320, 2415698888, 3019623610, 3925510693, 6039247220, 7851021386, 12078494440, 15702042772, 19627553465, 31404085544, 39255106930, 78510213860, 157020427720]

約数ペア:

[(1, 157020427720), (2, 78510213860), (4, 39255106930), (5, 31404085544), (8, 19627553465), (10, 15702042772), (13, 12078494440), (20, 7851021386), (26, 6039247220), (40, 3925510693), (52, 3019623610), (65, 2415698888), (71, 2211555320), (104, 1509811805), (130, 1207849444), (142, 1105777660), (260, 603924722), (284, 552888830), (355, 442311064), (520, 301962361), (568, 276444415), (710, 221155532), (923, 170119640), (1420, 110577766), (1846, 85059820), (2840, 55288883), (3692, 42529910), (4615, 34023928), (7384, 21264955), (9230, 17011964), (18460, 8505982), (36920, 4252991)]