80465580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 265827744

約数和(自身を除く): 185362164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 137, 156, 180, 195, 234, 251, 260, 274, 390, 411, 468, 502, 548, 585, 685, 753, 780, 822, 1004, 1170, 1233, 1255, 1370, 1506, 1644, 1781, 2055, 2259, 2340, 2466, 2510, 2740, 3012, 3263, 3562, 3765, 4110, 4518, 4932, 5020, 5343, 6165, 6526, 7124, 7530, 8220, 8905, 9036, 9789, 10686, 11295, 12330, 13052, 15060, 16029, 16315, 17810, 19578, 21372, 22590, 24660, 26715, 29367, 32058, 32630, 34387, 35620, 39156, 45180, 48945, 53430, 58734, 64116, 65260, 68774, 80145, 97890, 103161, 106860, 117468, 137548, 146835, 160290, 171935, 195780, 206322, 293670, 309483, 320580, 343870, 412644, 447031, 515805, 587340, 618966, 687740, 894062, 1031610, 1237932, 1341093, 1547415, 1788124, 2063220, 2235155, 2682186, 3094830, 4023279, 4470310, 5364372, 6189660, 6705465, 8046558, 8940620, 13410930, 16093116, 20116395, 26821860, 40232790, 80465580]

約数ペア:

[(1, 80465580), (2, 40232790), (3, 26821860), (4, 20116395), (5, 16093116), (6, 13410930), (9, 8940620), (10, 8046558), (12, 6705465), (13, 6189660), (15, 5364372), (18, 4470310), (20, 4023279), (26, 3094830), (30, 2682186), (36, 2235155), (39, 2063220), (45, 1788124), (52, 1547415), (60, 1341093), (65, 1237932), (78, 1031610), (90, 894062), (117, 687740), (130, 618966), (137, 587340), (156, 515805), (180, 447031), (195, 412644), (234, 343870), (251, 320580), (260, 309483), (274, 293670), (390, 206322), (411, 195780), (468, 171935), (502, 160290), (548, 146835), (585, 137548), (685, 117468), (753, 106860), (780, 103161), (822, 97890), (1004, 80145), (1170, 68774), (1233, 65260), (1255, 64116), (1370, 58734), (1506, 53430), (1644, 48945), (1781, 45180), (2055, 39156), (2259, 35620), (2340, 34387), (2466, 32630), (2510, 32058), (2740, 29367), (3012, 26715), (3263, 24660), (3562, 22590), (3765, 21372), (4110, 19578), (4518, 17810), (4932, 16315), (5020, 16029), (5343, 15060), (6165, 13052), (6526, 12330), (7124, 11295), (7530, 10686), (8220, 9789), (8905, 9036)]