80711280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8623}}^1$

素因数の和:8655

約数の個数: 120

約数和(自身を含む): 291939648

約数和(自身を除く): 211228368

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 104, 117, 120, 130, 144, 156, 180, 195, 208, 234, 240, 260, 312, 360, 390, 468, 520, 585, 624, 720, 780, 936, 1040, 1170, 1560, 1872, 2340, 3120, 4680, 8623, 9360, 17246, 25869, 34492, 43115, 51738, 68984, 77607, 86230, 103476, 112099, 129345, 137968, 155214, 172460, 206952, 224198, 258690, 310428, 336297, 344920, 388035, 413904, 448396, 517380, 560495, 620856, 672594, 689840, 776070, 896792, 1008891, 1034760, 1120990, 1241712, 1345188, 1552140, 1681485, 1793584, 2017782, 2069520, 2241980, 2690376, 3104280, 3362970, 4035564, 4483960, 5044455, 5380752, 6208560, 6725940, 8071128, 8967920, 10088910, 13451880, 16142256, 20177820, 26903760, 40355640, 80711280]

約数ペア:

[(1, 80711280), (2, 40355640), (3, 26903760), (4, 20177820), (5, 16142256), (6, 13451880), (8, 10088910), (9, 8967920), (10, 8071128), (12, 6725940), (13, 6208560), (15, 5380752), (16, 5044455), (18, 4483960), (20, 4035564), (24, 3362970), (26, 3104280), (30, 2690376), (36, 2241980), (39, 2069520), (40, 2017782), (45, 1793584), (48, 1681485), (52, 1552140), (60, 1345188), (65, 1241712), (72, 1120990), (78, 1034760), (80, 1008891), (90, 896792), (104, 776070), (117, 689840), (120, 672594), (130, 620856), (144, 560495), (156, 517380), (180, 448396), (195, 413904), (208, 388035), (234, 344920), (240, 336297), (260, 310428), (312, 258690), (360, 224198), (390, 206952), (468, 172460), (520, 155214), (585, 137968), (624, 129345), (720, 112099), (780, 103476), (936, 86230), (1040, 77607), (1170, 68984), (1560, 51738), (1872, 43115), (2340, 34492), (3120, 25869), (4680, 17246), (8623, 9360)]