81142920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{11863}}^1$

素因数の和:11899

約数の個数: 96

約数和(自身を含む): 277617600

約数和(自身を除く): 196474680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 11863, 23726, 35589, 47452, 59315, 71178, 94904, 106767, 118630, 142356, 177945, 213534, 225397, 237260, 284712, 355890, 427068, 450794, 474520, 533835, 676191, 711780, 854136, 901588, 1067670, 1126985, 1352382, 1423560, 1803176, 2028573, 2135340, 2253970, 2704764, 3380955, 4057146, 4270680, 4507940, 5409528, 6761910, 8114292, 9015880, 10142865, 13523820, 16228584, 20285730, 27047640, 40571460, 81142920]

約数ペア:

[(1, 81142920), (2, 40571460), (3, 27047640), (4, 20285730), (5, 16228584), (6, 13523820), (8, 10142865), (9, 9015880), (10, 8114292), (12, 6761910), (15, 5409528), (18, 4507940), (19, 4270680), (20, 4057146), (24, 3380955), (30, 2704764), (36, 2253970), (38, 2135340), (40, 2028573), (45, 1803176), (57, 1423560), (60, 1352382), (72, 1126985), (76, 1067670), (90, 901588), (95, 854136), (114, 711780), (120, 676191), (152, 533835), (171, 474520), (180, 450794), (190, 427068), (228, 355890), (285, 284712), (342, 237260), (360, 225397), (380, 213534), (456, 177945), (570, 142356), (684, 118630), (760, 106767), (855, 94904), (1140, 71178), (1368, 59315), (1710, 47452), (2280, 35589), (3420, 23726), (6840, 11863)]