71244680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7211}}^1$

素因数の和:7254

約数の個数: 64

約数和(自身を含む): 181742400

約数和(自身を除く): 110497720

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 7211, 9880, 14422, 28844, 36055, 57688, 72110, 93743, 137009, 144220, 187486, 274018, 288440, 374972, 468715, 548036, 685045, 749944, 937430, 1096072, 1370090, 1781117, 1874860, 2740180, 3562234, 3749720, 5480360, 7124468, 8905585, 14248936, 17811170, 35622340, 71244680]

約数ペア:

[(1, 71244680), (2, 35622340), (4, 17811170), (5, 14248936), (8, 8905585), (10, 7124468), (13, 5480360), (19, 3749720), (20, 3562234), (26, 2740180), (38, 1874860), (40, 1781117), (52, 1370090), (65, 1096072), (76, 937430), (95, 749944), (104, 685045), (130, 548036), (152, 468715), (190, 374972), (247, 288440), (260, 274018), (380, 187486), (494, 144220), (520, 137009), (760, 93743), (988, 72110), (1235, 57688), (1976, 36055), (2470, 28844), (4940, 14422), (7211, 9880)]