40721730

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{8431}}^1$

素因数の和:8471

約数の個数: 64

約数和(自身を含む): 116563968

約数和(自身を除く): 75842238

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 30, 35, 42, 46, 69, 70, 105, 115, 138, 161, 210, 230, 322, 345, 483, 690, 805, 966, 1610, 2415, 4830, 8431, 16862, 25293, 42155, 50586, 59017, 84310, 118034, 126465, 177051, 193913, 252930, 295085, 354102, 387826, 581739, 590170, 885255, 969565, 1163478, 1357391, 1770510, 1939130, 2714782, 2908695, 4072173, 5817390, 6786955, 8144346, 13573910, 20360865, 40721730]

約数ペア:

[(1, 40721730), (2, 20360865), (3, 13573910), (5, 8144346), (6, 6786955), (7, 5817390), (10, 4072173), (14, 2908695), (15, 2714782), (21, 1939130), (23, 1770510), (30, 1357391), (35, 1163478), (42, 969565), (46, 885255), (69, 590170), (70, 581739), (105, 387826), (115, 354102), (138, 295085), (161, 252930), (210, 193913), (230, 177051), (322, 126465), (345, 118034), (483, 84310), (690, 59017), (805, 50586), (966, 42155), (1610, 25293), (2415, 16862), (4830, 8431)]