71754804920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1171}}^1\times {\mathrm{80627}}^1$

素因数の和:81828

約数の個数: 64

約数和(自身を含む): 170092828800

約数和(自身を除く): 98338023880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1171, 2342, 4684, 5855, 9368, 11710, 22249, 23420, 44498, 46840, 80627, 88996, 111245, 161254, 177992, 222490, 322508, 403135, 444980, 645016, 806270, 889960, 1531913, 1612540, 3063826, 3225080, 6127652, 7659565, 12255304, 15319130, 30638260, 61276520, 94414217, 188828434, 377656868, 472071085, 755313736, 944142170, 1793870123, 1888284340, 3587740246, 3776568680, 7175480492, 8969350615, 14350960984, 17938701230, 35877402460, 71754804920]

約数ペア:

[(1, 71754804920), (2, 35877402460), (4, 17938701230), (5, 14350960984), (8, 8969350615), (10, 7175480492), (19, 3776568680), (20, 3587740246), (38, 1888284340), (40, 1793870123), (76, 944142170), (95, 755313736), (152, 472071085), (190, 377656868), (380, 188828434), (760, 94414217), (1171, 61276520), (2342, 30638260), (4684, 15319130), (5855, 12255304), (9368, 7659565), (11710, 6127652), (22249, 3225080), (23420, 3063826), (44498, 1612540), (46840, 1531913), (80627, 889960), (88996, 806270), (111245, 645016), (161254, 444980), (177992, 403135), (222490, 322508)]